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Zhao Z, Yang L, Chen X. Globally suitable areas for Lycorma delicatula based on an optimized Maxent model. Ecol Evol 2024; 14:e70252. [PMID: 39310735 PMCID: PMC11413495 DOI: 10.1002/ece3.70252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 08/07/2024] [Accepted: 08/16/2024] [Indexed: 09/25/2024] Open
Abstract
Lycorma delicatula, a globally invasive pest, has caused considerable economic losses in many countries. Determining the potential distribution range of L. delicatula is crucial for its effective management and control; however, our understanding of this species remains limited. In this study, Maxent model with occurrence records and environmental variables were fit first and then optimized by selecting the best combination of feature classes and regularization multipliers using the lowest score of corrected Akaike information criterion. Subsequently, we predicted global suitable areas for L. delicatula both currently and in the future (2041-2060, 2061-2080, and 2081-2100). The results indicated that the mean temperature of the driest quarter is the most important environmental variable limiting L. delicatula distribution. Currently, the suitable areas are concentrated in East Asia (mainly in China, South Korea, and Japan), central and eastern United States, and southern Europe. Compared with current environmental conditions, in all future climate scenarios, the number of suitable areas for L. delicatula increased. In addition, we revealed that suitable areas are likely to expand northward in the future. Our study results suggest that policymakers and governments should prioritize the development of pest management measures in suitable areas for L. delicatula, especially in high suitable areas, to control this invasive pest and minimize global economic losses.
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Affiliation(s)
- Zhengxue Zhao
- Institute of EntomologyGuizhou UniversityGuiyangChina
- Provincial Special Key Laboratory for Development and Utilization of Insect Resources of GuizhouGuizhou UniversityGuiyangChina
- Guizhou Key Laboratory for Agricultural Pest Management of Mountainous RegionGuizhou UniversityGuiyangChina
- College of AgricultureAnshun UniversityAnshunChina
| | - Lin Yang
- Institute of EntomologyGuizhou UniversityGuiyangChina
- Provincial Special Key Laboratory for Development and Utilization of Insect Resources of GuizhouGuizhou UniversityGuiyangChina
- Guizhou Key Laboratory for Agricultural Pest Management of Mountainous RegionGuizhou UniversityGuiyangChina
| | - Xiangsheng Chen
- Institute of EntomologyGuizhou UniversityGuiyangChina
- Provincial Special Key Laboratory for Development and Utilization of Insect Resources of GuizhouGuizhou UniversityGuiyangChina
- Guizhou Key Laboratory for Agricultural Pest Management of Mountainous RegionGuizhou UniversityGuiyangChina
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2
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Sikazwe G, Yocgo REE, Landi P, Richardson DM, Hui C. Current and future scenarios of suitability and expansion of cassava brown streak disease, Bemisia tabaci species complex, and cassava planting in Africa. PeerJ 2024; 12:e17386. [PMID: 38832032 PMCID: PMC11146326 DOI: 10.7717/peerj.17386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 04/23/2024] [Indexed: 06/05/2024] Open
Abstract
Cassava (Manihot esculenta) is among the most important staple crops globally, with an imperative role in supporting the Sustainable Development Goal of 'Zero hunger'. In sub-Saharan Africa, it is cultivated mainly by millions of subsistence farmers who depend directly on it for their socio-economic welfare. However, its yield in some regions has been threatened by several diseases, especially the cassava brown streak disease (CBSD). Changes in climatic conditions enhance the risk of the disease spreading to other planting regions. Here, we characterise the current and future distribution of cassava, CBSD and whitefly Bemisia tabaci species complex in Africa, using an ensemble of four species distribution models (SDMs): boosted regression trees, maximum entropy, generalised additive model, and multivariate adaptive regression splines, together with 28 environmental covariates. We collected 1,422 and 1,169 occurrence records for cassava and Bemisia tabaci species complex from the Global Biodiversity Information Facility and 750 CBSD occurrence records from published literature and systematic surveys in East Africa. Our results identified isothermality as having the highest contribution to the current distribution of cassava, while elevation was the top predictor of the current distribution of Bemisia tabaci species complex. Cassava harvested area and precipitation of the driest month contributed the most to explain the current distribution of CBSD outbreaks. The geographic distributions of these target species are also expected to shift under climate projection scenarios for two mid-century periods (2041-2060 and 2061-2080). Our results indicate that major cassava producers, like Cameron, Ivory Coast, Ghana, and Nigeria, are at greater risk of invasion of CBSD. These results highlight the need for firmer agricultural management and climate-change mitigation actions in Africa to combat new outbreaks and to contain the spread of CBSD.
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Affiliation(s)
- Geofrey Sikazwe
- African Institute for Mathematical Sciences, Kigali, Rwanda
- Department of Mathematical Sciences, University of Stellenbosch, Stellenbosch, South Africa
- Mkwawa University College of Education, Iringa, Tanzania
| | - Rosita Endah epse Yocgo
- African Institute for Mathematical Sciences, Kigali, Rwanda
- Institute for Plant Biotechnology, Stellenbosch University, Stellenbosch, South Africa
| | - Pietro Landi
- Department of Mathematical Sciences, University of Stellenbosch, Stellenbosch, South Africa
- National Institute for Theoretical and Computational Sciences, Stellenbosch University, Stellenbosch, South Africa
| | - David M. Richardson
- Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa
| | - Cang Hui
- Department of Mathematical Sciences, University of Stellenbosch, Stellenbosch, South Africa
- National Institute for Theoretical and Computational Sciences, Stellenbosch University, Stellenbosch, South Africa
- Mathematical Bioscience Unit, African Institute for Mathematical Sciences, Cape Town, South Africa
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3
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Wei J, Lu Y, Niu M, Cai B, Shi H, Ji W. Novel insights into hotspots of insect vectors of GLRaV-3: Dynamics and global distribution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 925:171664. [PMID: 38508278 DOI: 10.1016/j.scitotenv.2024.171664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/07/2024] [Accepted: 03/10/2024] [Indexed: 03/22/2024]
Abstract
Grapevine leafroll-associated virus 3 (GLRaV-3) is the most prevalent and economically damaging virus in grapevines and is found on nearly all continents, except Antarctica. Ten mealybugs act as vector insects transmitting the GLRaV-3. Understanding the potential distribution range of vector insects under climate change is crucial for preventing and managing vector insects and controlling and delaying the spread of GLRaV-3. This study investigated the potential geographical range of insect vectors of GLRaV-3 worldwide using MaxEnt (maximum entropy) based on occurrence data under environmental variables. The potential distributions of these insects were projected for the 2030s, 2050s, 2070s, and 2090s under the three climate change scenarios. The results showed that the potential distribution range of most vector insects is concentrated in Southeastern North America, Europe, Asia, and Southeast Australia. Most vector insects contract their potential distribution ranges under climate-change conditions. The stacked model suggested that potential distribution hotspots of vector insects were present in Southeastern North America, Europe, Southeast Asia, and Southeast Australia. The potential distribution range of hotspots would shrink with climate change. These results provide important information for governmental decision-makers and farmers in developing control and management strategies against vector insects of GLRaV-3. They can also serve as references for studies on other insect vectors.
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Affiliation(s)
- Jiufeng Wei
- College of Plant Protection, Shanxi Agricultural University, Taigu 030801, China
| | - Yunyun Lu
- College of Plant Protection, Shanxi Agricultural University, Taigu 030801, China
| | - Minmin Niu
- College of Plant Protection, Shanxi Agricultural University, Taigu 030801, China
| | - Bo Cai
- Post-Entry Quarantine Station for Tropical Plant, Haikou Customs District, Haikou 570311, China
| | - Huafeng Shi
- Bureau of Agriculture and Rural Affairs of Yuncheng City, Yanhu 044000, China
| | - Wei Ji
- Bureau of Agriculture and Rural Affairs of Yuncheng City, Yanhu 044000, China; College of Horticulture, Shanxi Agricultural University, Taigu 030801, China.
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da Silva NR, Souza PGC, de Oliveira GS, da Silva Santana A, Bacci L, Silva GA, Barry EJDV, de Aguiar Coelho F, Soares MA, Picanço MC, Sarmento RA, da Silva RS. A MaxEnt Model of Citrus Black Fly Aleurocanthus woglumi Ashby (Hemiptera: Aleyrodidae) under Different Climate Change Scenarios. PLANTS (BASEL, SWITZERLAND) 2024; 13:535. [PMID: 38498543 PMCID: PMC10891955 DOI: 10.3390/plants13040535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/26/2024] [Accepted: 02/09/2024] [Indexed: 03/20/2024]
Abstract
The citrus blackfly (CBF), Aleurocanthus woglumi Ashby, is an exotic pest native to Southeast Asia that has spread rapidly to the world's main centers of citrus production, having been recently introduced to Brazil. In this study, a maximum entropy niche model (MaxEnt) was used to predict the potential worldwide distribution of CBF under current and future climate change scenarios for 2030 and 2050. These future scenarios came from the Coupled Model Intercomparison Project Phase 6 (CMIP6), SSP1-2.6, and SSP5-8.5. The MaxEnt model predicted the potential distribution of CBF with area under receiver operator curve (AUC) values of 0.953 and 0.930 in the initial and final models, respectively. The average temperature of the coldest quarter months, precipitation of the rainiest month, isothermality, and precipitation of the driest month were the strongest predictors of CBF distribution, with contributions of 36.7%, 14.7%, 13.2%, and 10.2%, respectively. The model based on the current time conditions predicted that suitable areas for the potential occurrence of CBF, including countries such as Brazil, China, the European Union, the USA, Egypt, Turkey, and Morocco, are located in tropical and subtropical regions. Models from SSP1-2.6 (2030 and 2050) and SSP5-8.5 (2030) predicted that suitable habitats for CBF are increasing dramatically worldwide under future climate change scenarios, particularly in areas located in the southern US, southern Europe, North Africa, South China, and part of Australia. On the other hand, the SSP5-8.5 model of 2050 indicated a great retraction of the areas suitable for CBF located in the tropical region, with an emphasis on countries such as Brazil, Colombia, Venezuela, and India. In general, the CMIP6 models predicted greater risks of invasion and dissemination of CBF until 2030 and 2050 in the southern regions of the USA, European Union, and China, which are some of the world's largest orange producers. Knowledge of the current situation and future propagation paths of the pest serve as tools to improve the strategic government policies employed in CBF's regulation, commercialization, inspection, combat, and phytosanitary management.
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Affiliation(s)
- Nilson Rodrigues da Silva
- Departamento de Engenharia Agronômica do Sertão (DEAS), Universidade Federal de Sergipe (UFS), Rodovia Eng. Jorge Neto—Km 03, s/n, Nossa Senhora da Glória 49680-000, SE, Brazil;
| | - Philipe Guilherme Corcino Souza
- Departamento de Agronomia, Instituto Federal de Ciência e Tecnologia do Triângulo Mineiro (IFTM Campus Uberlândia), Uberlândia 38400-970, MG, Brazil;
| | - Gildriano Soares de Oliveira
- Programa de Pós Graduação em Produção Vegetal, Universidade Federal dos Vales Jequitinhonha e Mucuri, Campus JK, Diamantina 39100-000, MG, Brazil; (G.S.d.O.); (E.J.D.V.B.); (M.A.S.)
| | - Alisson da Silva Santana
- Departamento de Engenharia Agronômica (DEA), Universidade Federal de Sergipe (UFS), São Cristóvão 49100-000, SE, Brazil; (A.d.S.S.); (L.B.)
| | - Leandro Bacci
- Departamento de Engenharia Agronômica (DEA), Universidade Federal de Sergipe (UFS), São Cristóvão 49100-000, SE, Brazil; (A.d.S.S.); (L.B.)
| | - Gerson Adriano Silva
- Laboratório de Entomologia e Fitopatologia, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Campos dos Goytacazes 28013-602, RJ, Brazil;
| | - Edmond Joseph Djibril Victor Barry
- Programa de Pós Graduação em Produção Vegetal, Universidade Federal dos Vales Jequitinhonha e Mucuri, Campus JK, Diamantina 39100-000, MG, Brazil; (G.S.d.O.); (E.J.D.V.B.); (M.A.S.)
| | - Fernanda de Aguiar Coelho
- Programa de Pós-Graduação em Ciência Florestal, Universidade Federal dos Vales Jequitinhonha e Mucuri, Campus JK, Diamantina 39100-000, MG, Brazil;
| | - Marcus Alvarenga Soares
- Programa de Pós Graduação em Produção Vegetal, Universidade Federal dos Vales Jequitinhonha e Mucuri, Campus JK, Diamantina 39100-000, MG, Brazil; (G.S.d.O.); (E.J.D.V.B.); (M.A.S.)
| | - Marcelo Coutinho Picanço
- Departamento de Entomologia, Universidade Federal de Viçosa, Campus UFV, Viçosa 36570-000, MG, Brazil;
| | - Renato Almeida Sarmento
- Programa de Pós-Graduação em Produção Vegetal, Universidade Federal do Tocantins, Campus Gurupi, Gurupi 77402-970, TO, Brazil;
| | - Ricardo Siqueira da Silva
- Programa de Pós Graduação em Produção Vegetal, Universidade Federal dos Vales Jequitinhonha e Mucuri, Campus JK, Diamantina 39100-000, MG, Brazil; (G.S.d.O.); (E.J.D.V.B.); (M.A.S.)
- Programa de Pós-Graduação em Ciência Florestal, Universidade Federal dos Vales Jequitinhonha e Mucuri, Campus JK, Diamantina 39100-000, MG, Brazil;
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ElShahed SM, Mostafa ZK, Radwan MH, Hosni EM. Modeling the potential global distribution of the Egyptian cotton leafworm, Spodoptera littoralis under climate change. Sci Rep 2023; 13:17314. [PMID: 37828108 PMCID: PMC10570271 DOI: 10.1038/s41598-023-44441-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 10/08/2023] [Indexed: 10/14/2023] Open
Abstract
The Egyptian cotton leafworm, Spodoptera littoralis is a highly invasive insect pest that causes extensive damage to many of the primary food crops. Considering the recent challenges facing global food production including climate change, knowledge about the invasive potential of this pest is essential. In this study, the maximum entropy model (MaxEnt) was used to predict the current global spatial distribution of the pest and the future distribution using two representative concentration pathways (RCPs) 2.6 and 8.5 in 2050 and 2070. High AUC and TSS values indicated model accuracy and high performance. Response curves showed that the optimal temperature for the S. littoralis is between 10 and 28 °C. The pest is currently found in Africa and is widely distributed across the Middle East and throughout Southern Europe. MaxEnt results revealed that the insect will shift towards Northern Europe and the Americas. Further, China was seen to have a suitable climate. We also extrapolated the impact of these results on major producing countries and how this affects trade flow, which help decision makers to take the invasiveness of such destructive pest into their account.
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Affiliation(s)
- Sara M ElShahed
- Department of Entomology, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt.
| | - Zahia K Mostafa
- Department of Entomology, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Marwa H Radwan
- Department of Entomology, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt
| | - Eslam M Hosni
- Department of Entomology, Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt.
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6
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Jeger M, Hamelin F, Cunniffe N. Emerging Themes and Approaches in Plant Virus Epidemiology. PHYTOPATHOLOGY 2023; 113:1630-1646. [PMID: 36647183 DOI: 10.1094/phyto-10-22-0378-v] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Plant diseases caused by viruses share many common features with those caused by other pathogen taxa in terms of the host-pathogen interaction, but there are also distinctive features in epidemiology, most apparent where transmission is by vectors. Consequently, the host-virus-vector-environment interaction presents a continuing challenge in attempts to understand and predict the course of plant virus epidemics. Theoretical concepts, based on the underlying biology, can be expressed in mathematical models and tested through quantitative assessments of epidemics in the field; this remains a goal in understanding why plant virus epidemics occur and how they can be controlled. To this end, this review identifies recent emerging themes and approaches to fill in knowledge gaps in plant virus epidemiology. We review quantitative work on the impact of climatic fluctuations and change on plants, viruses, and vectors under different scenarios where impacts on the individual components of the plant-virus-vector interaction may vary disproportionately; there is a continuing, sometimes discordant, debate on host resistance and tolerance as plant defense mechanisms, including aspects of farmer behavior and attitudes toward disease management that may affect deployment in crops; disentangling host-virus-vector-environment interactions, as these contribute to temporal and spatial disease progress in field populations; computational techniques for estimating epidemiological parameters from field observations; and the use of optimal control analysis to assess disease control options. We end by proposing new challenges and questions in plant virus epidemiology.
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Affiliation(s)
- Mike Jeger
- Department of Life Sciences, Imperial College London, Silwood Park, U.K
| | - Fred Hamelin
- IGEPP INRAE, University of Rennes, Rennes, France
| | - Nik Cunniffe
- Department of Plant Sciences, University of Cambridge, Cambridge, U.K
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Milenovic M, Eickermann M, Junk J, Rapisarda C. Life history parameters of Bemisia tabaci MED (Hemiptera: Aleyrodidae) in the present and future climate of central Europe, predicted by physically realistic climatic chamber simulation. ENVIRONMENTAL ENTOMOLOGY 2023; 52:502-509. [PMID: 36932855 PMCID: PMC10272707 DOI: 10.1093/ee/nvad023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 02/03/2023] [Accepted: 02/24/2023] [Indexed: 06/17/2023]
Abstract
Whiteflies of the Bemisia tabaci species complex are among the most damaging insect pests in agriculture worldwide, causing damage by feeding on crop plants and by vectoring plant viruses. The species complex consists of over 35 cryptic species that differ in many aspects of their biology including the optimal environment, geographic distribution, and host range. Global warming and associated climate change resulting from human activities is expected to contribute to biological invasions. Bemisia tabaci species show fast adaptability to changes in agroecosystems and have a long record of biological invasions. Climate change driven increase in B. tabaci importance in agricultural systems of Europe has been predicted, but so far not experimentally tested. The present study evaluates the development of B. tabaci MED (=Mediterranean) in a climatic chamber simulation of the future climate in Luxembourg, chosen as a representative region for the Central Europe. Future climate predictions for the period 2061-2070 were derived from a multimodel ensemble of physically consistent regional climatic models. Results show a 40% shorter development time of this important pest in future climatic conditions, with an increase in fecundity by a third, and insignificant difference in mortality. Accelerated development, combined with its already established year-round presence in European greenhouses and predicted northward expansion of outdoor tomato production in Europe, means faster population build-up at the beginning of the outdoor cropping season with the potential of reaching economic importance. Benefits of simulating hourly diurnal cycle of physically consistent meteorological variables versus previous experiments are discussed.
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Affiliation(s)
- Milan Milenovic
- Environmental Research and Innovation Department (ERIN), Luxembourg Institute of Science and Technology (LIST), 41, Rue du Brill, L-4422 Belvaux, Luxembourg
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), Università degli Studi di Catania, Via Santa Sofia 100, 95123 Catania, Italy
| | - Michael Eickermann
- Environmental Research and Innovation Department (ERIN), Luxembourg Institute of Science and Technology (LIST), 41, Rue du Brill, L-4422 Belvaux, Luxembourg
| | - Jürgen Junk
- Environmental Research and Innovation Department (ERIN), Luxembourg Institute of Science and Technology (LIST), 41, Rue du Brill, L-4422 Belvaux, Luxembourg
| | - Carmelo Rapisarda
- Dipartimento di Agricoltura, Alimentazione e Ambiente (Di3A), Università degli Studi di Catania, Via Santa Sofia 100, 95123 Catania, Italy
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da Silva JMM, Ramos RS, Souza PGC, da Silva Paes J, Picanço MC, Silva GA, da Silva RS. Mapping Brazilian Expansion Risk Levels of Mango Weevil (Sternochetus mangiferae Fabricius) Based on MaxEnt. NEOTROPICAL ENTOMOLOGY 2023:10.1007/s13744-023-01041-5. [PMID: 37058226 DOI: 10.1007/s13744-023-01041-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 03/16/2023] [Indexed: 06/19/2023]
Abstract
The mango weevil, Sternochetus mangiferae (Fabricius) (Curculionidae), pest present in Brazil and is restricted to some municipalities in the Rio de Janeiro State. This curculionid attacks the mango crop exclusively and puts mango production globally at risk, especially those destined for export. Using ecological modeling tools, this study is the first to map the potential risk of S. mangiferae in Brazil. We aimed to identify the potential distribution of this pest in Brazilian states, drawing up thematic maps of regions that present suitable and unsuitable climatic conditions for the establishment of the pest using the MaxEnt ecological niche model. The average annual temperature, the annual precipitation, the average daytime temperature range, and the annual temperature range were the variables that contributed most to the selected model. The MaxEnt model predicted highly suitable areas for S. mangiferae throughout the Brazilian coast, especially on the northeast coast. The region responsible for more than 50% of mango production in Brazil, the São Francisco Valley, was classified by the model with suitability for the pest; it can impacts exportations due to the imposition of phytosanitary barriers. This information can be used in strategies to prevent the introduction and establishment of this pest in new areas and monitor programs in areas with recent occurrence. In addition, the model results can be used in future research plans on S. mangiferae in worldwide modeling studies and climate change scenarios.
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Affiliation(s)
| | | | | | | | | | - Gerson Adriano Silva
- Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Campos Dos Goytacazes-RJ, Brazil
| | - Ricardo Siqueira da Silva
- Department of Agronomy, Universidade Federal Dos Vales Do Jequitinhonha E Mucuri (UFVJM), Diamantina-MG, Brazil
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Dutta TK, Phani V. The pervasive impact of global climate change on plant-nematode interaction continuum. FRONTIERS IN PLANT SCIENCE 2023; 14:1143889. [PMID: 37089646 PMCID: PMC10118019 DOI: 10.3389/fpls.2023.1143889] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/24/2023] [Indexed: 05/03/2023]
Abstract
Pest profiles in today's global food production system are continually affected by climate change and extreme weather. Under varying climatic conditions, plant-parasitic nematodes (PPNs) cause substantial economic damage to a wide variety of agricultural and horticultural commodities. In parallel, their herbivory also accredit to diverse ecosystem services such as nutrient cycling, allocation and turnover of plant biomass, shaping of vegetation community, and alteration of rhizospheric microorganism consortium by modifying the root exudation pattern. Thus PPNs, together with the vast majority of free-living nematodes, act as ecological drivers. Because of direct exposure to the open environment, PPN biology and physiology are largely governed by environmental factors including temperature, precipitation, humidity, atmospheric and soil carbon dioxide level, and weather extremes. The negative effects of climate change such as global warming, elevated CO2, altered precipitation and the weather extremes including heat waves, droughts, floods, wildfires and storms greatly influence the biogeographic range, distribution, abundance, survival, fitness, reproduction, and parasitic potential of the PPNs. Changes in these biological and ecological parameters associated to the PPNs exert huge impact on agriculture. Yet, depending on how adaptable the species are according to their geo-spatial distribution, the consequences of climate change include both positive and negative effects on the PPN communities. While assorting the effects of climate change as a whole, it can be estimated that the changing environmental factors, on one hand, will aggravate the PPN damage by aiding to abundance, distribution, reproduction, generation, plant growth and reduced plant defense, but the phenomena like sex reversal, entering cryptobiosis, and reduced survival should act in counter direction. This seemingly creates a contraposition effect, where assessing any confluent trend is difficult. However, as the climate change effects will differ according to space and time it is apprehensible that the PPNs will react and adapt according to their location and species specificity. Nevertheless, the bio-ecological shifts in the PPNs will necessitate tweaking their management practices from the agri-horticultural perspective. In this regard, we must aim for a 'climate-smart' package that will take care of the food production, pest prevention and environment protection. Integrated nematode management involving precise monitoring and modeling-based studies of population dynamics in relation to climatic fluctuations with escalated reliance on biocontrol, host resistance, and other safer approaches like crop rotation, crop scheduling, cover cropping, biofumigation, use of farmyard manure (FYM) would surely prove to be viable options. Although the novel nematicidal molecules are target-specific and relatively less harmful to the environment, their application should not be promoted following the global aim to reduce pesticide usage in future agriculture. Thus, having a reliable risk assessment with scenario planning, the adaptive management strategies must be designed to cope with the impending situation and satisfy the farmers' need.
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Affiliation(s)
- Tushar K. Dutta
- Division of Nematology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Victor Phani
- Department of Agricultural Entomology, College of Agriculture, Uttar Banga Krishi Viswavidyalaya, West Bengal, India
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10
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Gao R, Liu L, Zhao L, Cui S. Potentially Suitable Geographical Area for Monochamus alternatus under Current and Future Climatic Scenarios Based on Optimized MaxEnt Model. INSECTS 2023; 14:insects14020182. [PMID: 36835751 PMCID: PMC9962367 DOI: 10.3390/insects14020182] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 05/05/2023]
Abstract
M. alternatus is considered to be an important and effective insect vector for the spread of the important international forest quarantine pest, Bursaphelenchus xylophilus. The precise determination of potential suitable areas of M. alternatus is essential to monitor, prevent, and control M. alternatus worldwide. According to the distribution points and climatic variables, the optimized MaxEnt model and ArcGIS were used to predict the current and future potentially suitable areas of M. alternatus worldwide. The optimized MaxEnt model parameters were set as feature combination (FC) = LQHP and β = 1.5, which were determined by the values of AUCdiff, OR10, and ΔAICc. Bio2, Bio6, Bio10, Bio12, and Bio14 were the dominant bioclimatic variables affecting the distribution of M. alternatus. Under the current climate conditions, the potentially suitable habitats of M. alternatus were distributed across all continents except Antarctica, accounting for 4.17% of the Earth's total land area. Under future climate scenarios, the potentially suitable habitats of M. alternatus increased significantly, spreading to a global scale. The results of this study could provide a theoretical basis for the risk analysis of the global distribution and dispersal of M. alternatus as well as the precise monitoring and prevention of this beetle.
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Affiliation(s)
- Ruihe Gao
- Department of Forest Conservation, College of Forestry, Shanxi Agricultural University, Jinzhong 030801, China
- Shanxi Dangerous Forest Pest Inspection and Identification Center, Jinzhong 030801, China
| | - Lei Liu
- Department of Forest Conservation, College of Forestry, Shanxi Agricultural University, Jinzhong 030801, China
- Shanxi Dangerous Forest Pest Inspection and Identification Center, Jinzhong 030801, China
| | - Lijuan Zhao
- Department of Forest Conservation, College of Forestry, Shanxi Agricultural University, Jinzhong 030801, China
- Shanxi Dangerous Forest Pest Inspection and Identification Center, Jinzhong 030801, China
| | - Shaopeng Cui
- Department of Forest Conservation, College of Forestry, Shanxi Agricultural University, Jinzhong 030801, China
- Shanxi Dangerous Forest Pest Inspection and Identification Center, Jinzhong 030801, China
- Correspondence:
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Xue Y, Lin C, Wang Y, Liu W, Wan F, Zhang Y, Ji L. Predicting Climate Change Effects on the Potential Distribution of Two Invasive Cryptic Species of the Bemisia tabaci Species Complex in China. INSECTS 2022; 13:1081. [PMID: 36554991 PMCID: PMC9783486 DOI: 10.3390/insects13121081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/15/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
Middle East-Asia Minor 1 (MEAM1) and Mediterranean (MED) are two invasive cryptic species of the Bemisia tabaci species complex (Hemiptera: Aleyrodidae) that cause serious damage to agricultural and horticultural crops worldwide. To explore the possible impact of climate change on their distribution, the maximum entropy (MaxEnt) model was used to predict the potential distribution ranges of MEAM1 and MED in China under current and four future climate scenarios, using shared socioeconomic pathways (SSPs), namely SSP1-2.6, SSP2-4.5, SSP3-7.0, and SSP5-8.5, over four time periods (2021-2040, 2041-2060, 2061-2080, and 2081-2100). The distribution ranges of MEAM1 and MED were extensive and similar in China under current climatic conditions, while their moderately and highly suitable habitat ranges differed. Under future climate scenarios, the areas of suitable habitat of different levels for MEAM1 and MED were predicted to increase to different degrees. However, the predicted expansion of suitable habitats varied between them, suggesting that these invasive cryptic species respond differently to climate change. Our results illustrate the difference in the effects of climate change on the geographical distribution of different cryptic species of B. tabaci and provide insightful information for further forecasting and managing the two invasive cryptic species in China.
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Affiliation(s)
- Yantao Xue
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Congtian Lin
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- National Basic Science Data Center, Beijing 100190, China
| | - Yaozhuo Wang
- Key Laboratory of Zoological Systematics and Application of Hebei Province, College of Life Sciences, Hebei University, Baoding 071002, China
| | - Wanxue Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Fanghao Wan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yibo Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Liqiang Ji
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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Zhang Y, Dang Y, Wang X. Risk Assessment of the Worldwide Expansion and Outbreak of Massicus raddei (Blessig) (Coleoptera: Cerambycidae) Based on Host Plant and Climatic Factors. INSECTS 2022; 13:730. [PMID: 36005355 PMCID: PMC9409856 DOI: 10.3390/insects13080730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 08/06/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Massicus raddei (Blessig) is a serious trunk borer of oak species, currently widespread only in eastern Asia. A better understanding of the invasive potential of this borer across other distribution-free areas is further needed to prevent its invasion and outbreaks. In this study, we mapped the current distribution of M. raddei, two susceptible hosts (Quercus mongolia and Q. liaotungensis) and all 11 host species of this borer, and then modeled their potential distributions. We comprehensively compared the current distributions and potential invasion ranges among M. raddei, susceptible hosts and all hosts to select areas at risk for the establishment of this borer. MaxEnt model predictions revealed that (1) the central and eastern US, a small area of central and western Europe, western Georgia, and central Argentina had suitable climates for M. raddei. Such highly suitable areas for this borer overlapped considerably with the current plantation and potential distributions of its hosts. Consequently, susceptible hosts and climate suitability together create the highest risk for M. raddei establishment and outbreaks, throughout central and eastern America, a small area of central Europe, western Norway and western Georgia, and (2) the broad host suitability across six continents creates a situation favorable for the colonization of this borer, further extending the spatial scale of possible infestation by M. raddei worldwide.
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Affiliation(s)
- Yufan Zhang
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
- Yunfu Forestry Bureau, Yunfu 527300, China
| | - Yingqiao Dang
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
| | - Xiaoyi Wang
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
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Gómez SR, Gil‐Tapetado D, García‐Gila J, Blasco‐Aróstegui J, Polidori C. The leaf beetle Labidostomis lusitanica (Coleoptera: Chrysomelidae) as an Iberian pistachio pest: projecting risky areas. PEST MANAGEMENT SCIENCE 2022; 78:217-229. [PMID: 34472706 PMCID: PMC9293163 DOI: 10.1002/ps.6624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/22/2021] [Accepted: 09/02/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Pistachio (Pistacia vera L.) is a commercially important tree in the Mediterranean basin, where there is a considerable increase in cultivation, especially in Spain. Because of its recent introduction as a crop in the country (1980s), studies on the pests of pistachio in Spain are still rare. Here, we studied the leaf beetle Labidostomis lusitanica (Coleoptera: Chrysomelidae), which was observed on pistachio and might become a serious pest under the expanding Spanish pistachio fields. Because early detection of pests is extremely important to properly plan control strategies, we (i) updated the information on the distribution of the species through samplings and surveys, and (ii) modelled its potential distribution. RESULTS Currently, L. lusitanica occurs across the whole Iberian Peninsula, especially in its southern and eastern parts, with adults on flight roughly from late April to early June. Analysis of climatic niches showed that L. lusitanica prefers dry and hot areas, which are conditions found especially in the central-southern parts of the Iberian Peninsula. Such highly suitable areas for this pest overlap considerably with the suitable areas for pistachio cultivation. Surveys of pistachio growers weakly suggested a higher pest attack probability, but, unexpectedly, a lower perceived impact in very suitable areas for L. lusitanica, suggesting that other factors may shape its pest potential in a complex way. CONCLUSION In line with what has been observed for other Labidostomis species on pistachio in other Mediterranean countries, L. lusitanica has a good potential to harm pistachio production in Spain, claiming for further investigations and prevention strategies. © 2021 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Sara Rodrigo Gómez
- Instituto de Ciencias Ambientales (ICAM)Universidad de Castilla‐La ManchaToledoSpain
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal (IRIAF)‐Centro de Investigación Agroambiental “El Chaparrillo”Ciudad RealSpain
| | - Diego Gil‐Tapetado
- Departamento de Biodiversidad, Ecología y EvoluciónUniversidad Complutense de MadridMadridSpain
| | | | - Javier Blasco‐Aróstegui
- CIBIO‐InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos da Universidade do PortoVairãoPortugal
| | - Carlo Polidori
- Dipartimento di Scienze e Politiche AmbientaliUniversità degli Studi di MilanoMilanItaly
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15
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Current and potential geographic distribution of red palm mite (Raoiella indica Hirst) in Brazil. ECOL INFORM 2021. [DOI: 10.1016/j.ecoinf.2021.101396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Decision support for pest management: Using field data for optimizing temperature-dependent population dynamics models. Ecol Modell 2021. [DOI: 10.1016/j.ecolmodel.2020.109402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Improving climate suitability for Bemisia tabaci in East Africa is correlated with increased prevalence of whiteflies and cassava diseases. Sci Rep 2020; 10:22049. [PMID: 33328547 PMCID: PMC7744558 DOI: 10.1038/s41598-020-79149-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/26/2020] [Indexed: 11/18/2022] Open
Abstract
Projected climate changes are thought to promote emerging infectious diseases, though to date, evidence linking climate changes and such diseases in plants has not been available. Cassava is perhaps the most important crop in Africa for smallholder farmers. Since the late 1990’s there have been reports from East and Central Africa of pandemics of begomoviruses in cassava linked to high abundances of whitefly species within the Bemisia tabaci complex. We used CLIMEX, a process-oriented climatic niche model, to explore if this pandemic was linked to recent historical climatic changes. The climatic niche model was corroborated with independent observed field abundance of B. tabaci in Uganda over a 13-year time-series, and with the probability of occurrence of B. tabaci over 2 years across the African study area. Throughout a 39-year climate time-series spanning the period during which the pandemics emerged, the modelled climatic conditions for B. tabaci improved significantly in the areas where the pandemics had been reported and were constant or decreased elsewhere. This is the first reported case where observed historical climate changes have been attributed to the increase in abundance of an insect pest, contributing to a crop disease pandemic.
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Krause-Sakate R, Watanabe LFM, Gorayeb ES, da Silva FB, Alvarez DDL, Bello VH, Nogueira AM, de Marchi BR, Vicentin E, Ribeiro-Junior MR, Marubayashi JM, Rojas-Bertini CA, Muller C, Bueno RCODF, Rosales M, Ghanim M, Pavan MA. Population Dynamics of Whiteflies and Associated Viruses in South America: Research Progress and Perspectives. INSECTS 2020; 11:insects11120847. [PMID: 33260578 PMCID: PMC7760982 DOI: 10.3390/insects11120847] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/30/2020] [Accepted: 11/26/2020] [Indexed: 11/16/2022]
Abstract
Simple Summary Whiteflies are one of the most important and widespread pests in the world. In South America, the currently most important species occurring are Bemisia afer,Trialeurodes vaporariorum, and the cryptic species Middle East-Asia Minor 1, Mediterranean, and New World, from Bemisia tabaci complex. The present review compiles information from several studies conducted in South America regarding these insects, providing data related to the dynamics and distribution of whiteflies, the associated viruses, and the management strategies to keep whiteflies under the economic damage threshold. Abstract By having an extensive territory and suitable climate conditions, South America is one of the most important agricultural regions in the world, providing different kinds of vegetable products to different regions of the world. However, such favorable conditions for plant production also allow the development of several pests, increasing production costs. Among them, whiteflies (Hemiptera: Aleyrodidae) stand out for their potential for infesting several crops and for being resistant to insecticides, having high rates of reproduction and dispersal, besides their efficient activity as virus vectors. Currently, the most important species occurring in South America are Bemisia afer, Trialeurodes vaporariorum, and the cryptic species Middle East-Asia Minor 1, Mediterranean, and New World, from Bemisia tabaci complex. In this review, a series of studies performed in South America were compiled in an attempt to unify the advances that have been developed in whitefly management in this continent. At first, a background of the current whitefly distribution in South American countries as well as factors affecting them are shown, followed by a background of the whitefly transmitted viruses in South America, addressing their location and association with whiteflies in each country. Afterwards, a series of management strategies are proposed to be implemented in South American fields, including cultural practices and biological and chemical control, finalizing with a section containing future perspectives and directions for further research.
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Affiliation(s)
- Renate Krause-Sakate
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
- Correspondence: ; Tel.: +55-14-3880-7487
| | - Luís Fernando Maranho Watanabe
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Eduardo Silva Gorayeb
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
- Facultad de Agronomía e Ingeniería, Pontificia Universidad Católica de Chile, Forestal, Vicuña Mackena, 4860, Macul, Santiago 7820436, Chile; (C.A.R.-B.); (M.R.)
| | - Felipe Barreto da Silva
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Daniel de Lima Alvarez
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Vinicius Henrique Bello
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Angélica Maria Nogueira
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | | | - Eduardo Vicentin
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Marcos Roberto Ribeiro-Junior
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Julio Massaharu Marubayashi
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Claudia Andrea Rojas-Bertini
- Facultad de Agronomía e Ingeniería, Pontificia Universidad Católica de Chile, Forestal, Vicuña Mackena, 4860, Macul, Santiago 7820436, Chile; (C.A.R.-B.); (M.R.)
| | | | - Regiane Cristina Oliveira de Freitas Bueno
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
| | - Marlene Rosales
- Facultad de Agronomía e Ingeniería, Pontificia Universidad Católica de Chile, Forestal, Vicuña Mackena, 4860, Macul, Santiago 7820436, Chile; (C.A.R.-B.); (M.R.)
| | - Murad Ghanim
- Department of Entomology, Institute of Plant Protection, The Volcani Center, Rishon LeZion 7505101, Israel;
| | - Marcelo Agenor Pavan
- Department of Plant Protection, Universidade Estadual Paulista “Julio de Mesquita Filho” (UNESP), Botucatu 18610-034, Brazil; (L.F.M.W.); (E.S.G.); (F.B.d.S.); (D.d.L.A.); (V.H.B.); (A.M.N.); (E.V.); (M.R.R.-J.); (J.M.M.); (R.C.O.d.F.B.); (M.A.P.)
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19
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Oliveira JO, Paschoal LRP, Nunes JF. Danger next door: new record of the whitefly Bemisia tabaci near to the Serra da Canastra National Park (southeast Brazil). BRAZ J BIOL 2020; 81:1115-1117. [PMID: 33053120 DOI: 10.1590/1519-6984.228707] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 05/04/2020] [Indexed: 11/21/2022] Open
Affiliation(s)
- J O Oliveira
- Universidade do Estado de Minas Gerais - UEMG, Passos, MG, Brasil
| | - L R P Paschoal
- Universidade do Estado de Minas Gerais - UEMG, Passos, MG, Brasil
| | - J F Nunes
- Universidade do Estado de Minas Gerais - UEMG, Passos, MG, Brasil
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20
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Ricupero M, Abbes K, Haddi K, Kurtulus A, Desneux N, Russo A, Siscaro G, Biondi A, Zappalà L. Combined thermal and insecticidal stresses on the generalist predator Macrolophus pygmaeus. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 729:138922. [PMID: 32498167 DOI: 10.1016/j.scitotenv.2020.138922] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/18/2020] [Accepted: 04/21/2020] [Indexed: 06/11/2023]
Abstract
Ecotoxicological risk assessments of pesticides on non-target arthropods are often carried out under constant and optimal temperature regimes. However, living organisms rarely experience these conditions in real field situations. Understanding the impact of pesticides on non-target beneficial arthropods under temperature stresses is especially important in terms of global warming. We assessed the lethal and sublethal effects of four modern insecticides (chlorantraniliprole, cyantraniliprole, spinetoram, spinosad), on the generalist predator Macrolophus pygmaeus (Hemiptera: Miridae) under a range of temperatures (from 10 to 40°C) frequently experienced in a real field scenario. A reduction coefficient (Ex) was calculated by summarizing the mortality and predator reproductive capacity and, the chemicals were classified according to the International Organization for Biological Control (IOBC) toxicity classes. The insecticides showed a marked synergistic effect with temperature, as the predator mortality and reproductive outputs were significantly correlated with increasing temperatures. Spinosyns interacted significantly with temperature causing the highest mortality and lowest fertility rates. Anthranilic diamides showed a safer ecotoxicological profile compared to spinosyns, with cyantraniliprole being more harmful than chlorantraniliprole. These results suggest that temperature should be taken into account in pesticide ecotoxicology studies within the framework of integrated pest management and the recent climate changes.
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Affiliation(s)
- Michele Ricupero
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy
| | - Khaled Abbes
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy; University of Sousse, High Agronomic Institute of Chott-Mariem, 4042, Chott-Mariem, Sousse, Tunisia
| | - Khalid Haddi
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy; Federal University of Lavras (UFLA), Department of Entomology, Lavras, Minas Gerais, Brazil
| | - Alican Kurtulus
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy; Cukurova University, Agricultural Faculty, Department of Plant Protection, 01330 Adana, Turkey
| | - Nicolas Desneux
- Université Côte d'Azur, INRAE, CNRS, UMR ISA, 06000 Nice, France
| | - Agatino Russo
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy
| | - Gaetano Siscaro
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy
| | - Antonio Biondi
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy
| | - Lucia Zappalà
- University of Catania, Department of Agriculture, Food and Environment, Catania, Italy.
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21
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Predicting the Potential Global Geographical Distribution of Two Icerya Species under Climate Change. FORESTS 2020. [DOI: 10.3390/f11060684] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Climate change is predicted to alter the geographic distribution of a wide variety of taxa, including insects. Icerya aegyptiaca (Douglas) and I. purchasi Maskell are two polyphagous and invasive pests in the genus Icerya Signoret (Hemiptera: Monophlebidae) and cause serious damage to many landscape and economic trees. However, the global habitats suitable for these two Icerya species are unclear. The purpose of this study is to determine the potentially suitable habitats of these two species, then to provide scientific management strategies. Using MaxEnt software, the potential risk maps of I. aegyptiaca and I. purchasi were created based on their occurrence data under different climatic conditions and topology factors. The results suggested that under current climate conditions, the potentially habitable area of I. aegyptiaca would be much larger than the current distribution and there would be small changes for I. purchasi. In the future climate change scenarios, the suitable habitats of these two insect species will display an increasing trend. Africa, South America and Asia would be more suitable for I. aegyptiaca. South America, Asia and Europe would be more suitable for I. purchasi. Moreover, most of the highly habitat suitability areas of I. aegyptiaca will become concentrated in Southern Asia. The results also suggested that “min temperature of coldest month” was the most important environmental factor affecting the prediction models of these two insects. This research provides a theoretical reference framework for developing policies to manage and control these two invasive pests of the genus Icerya.
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22
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Nwezeobi J, Onyegbule O, Nkere C, Onyeka J, van Brunschot S, Seal S, Colvin J. Cassava whitefly species in eastern Nigeria and the threat of vector-borne pandemics from East and Central Africa. PLoS One 2020; 15:e0232616. [PMID: 32379806 PMCID: PMC7205266 DOI: 10.1371/journal.pone.0232616] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 04/18/2020] [Indexed: 12/02/2022] Open
Abstract
Bemisia tabaci (sensu latu) is a group of >40 highly cryptic whitefly species that are of global agricultural importance, both as crop pests and plant-virus vectors. Two devastating cassava diseases in East and Central Africa are spread by abundant populations of one of these species termed Sub-Saharan Africa 1 (SSA1). There is a substantive risk that these whitefly-borne pandemics will continue to spread westwards and disrupt cassava production for millions of smallholder farmers in West Africa. We report here, therefore, the first comprehensive survey of cassava B. tabaci in eastern Nigeria, a West African region likely to be the first affected by the arrival of these whitefly-borne pandemics. We found one haplotype comprising 32 individuals with 100% identical mtCO1 sequence to the East African SSA1 populations (previously termed SSA1-SG1) and 19 mtCO1 haplotypes of Sub-Saharan Africa 3 (SSA3), the latter being the most prevalent and widely distributed B. tabaci species in eastern Nigeria. A more divergent SSA1 mtCO1 sequence (previously termed SSA1-SG5) was also identified in the region, as were mtCO1 sequences identifying the presence of the MED ASL B. tabaci species and Bemisia afer. Although B. tabaci SSA1 was found in eastern Nigeria, they were not present in the high abundances associated with the cassava mosaic (CMD) and cassava brown streak disease (CBSD) pandemics of East and Central Africa. Also, no severe CMD or any CBSD symptoms were found in the region.
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Affiliation(s)
- Joachim Nwezeobi
- Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, United Kingdom
| | | | | | - Joseph Onyeka
- National Root Crops Research Institute, Umudike, Abia, Nigeria
| | - Sharon van Brunschot
- Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, United Kingdom
- School of Biological Sciences, The University of Queensland, St. Lucia, Queensland, Australia
| | - Susan Seal
- Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, United Kingdom
| | - John Colvin
- Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, United Kingdom
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Negrini M, Fidelis EG, Picanço MC, Ramos RS. Mapping of the Steneotarsonemus spinki invasion risk in suitable areas for rice (Oryza sativa) cultivation using MaxEnt. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 80:445-461. [PMID: 32072353 DOI: 10.1007/s10493-020-00474-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 02/13/2020] [Indexed: 06/10/2023]
Abstract
Rice is one of the most important socioeconomic crops in the world. The tarsonemid mite Steneotarsonemus spinki is one of the most destructive pests for this crop and is restricted to some regions of Asia and America. The aim of this work was to map the risk of S. spinki invasion in rice-growing areas in the world. Presence data of Oryza sativa and S. spinki obtained from the literature and bioclimatic parameters from WorldClim were analyzed in the MaxEnt program to generate suitability indices and distribution maps for each species and for the two species together. High annual mean temperature associated with low temperature annual range were the most important environmental variables for the occurrence of O. sativa and S. spinki, and low rainfall favoring S. spinki. The model indicates that there are climatic conditions for the establishment of S. spinki in important rice-producing regions, such as western and central Africa, Oceania, Asia, and North, Central, and South America. Our results are useful for the efficient establishment of phytosanitary measures to prevent the dispersal of S. spinki to new rice-producing areas.
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Affiliation(s)
- Marcelo Negrini
- Rede Bionorte de Biodiversidade E Biotecnologia, Universidade Federal de Roraima, Av.Cap. Ebe Garcez, 2413, Campus Paricarana, Boa Vista, RR, CEP 69301-000, Brazil
| | - Elisangela Gomes Fidelis
- EMBRAPA Roraima, Pesquisa, Rodovia BR-174 Km 8, Distrito Industrial, Boa Vista, RR, CEP 69301 970, Brazil
| | - Marcelo Coutinho Picanço
- Department of Entomology, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, Viçosa, MG, 36570-900, Brazil
| | - Rodrigo Soares Ramos
- Department of Entomology, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, Viçosa, MG, 36570-900, Brazil.
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Misaka BC, Wosula EN, Marchelo-d’Ragga PW, Hvoslef-Eide T, Legg JP. Genetic Diversity of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) Colonizing Sweet Potato and Cassava in South Sudan. INSECTS 2020; 11:insects11010058. [PMID: 31963536 PMCID: PMC7022610 DOI: 10.3390/insects11010058] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 01/13/2023]
Abstract
Bemisia tabaci (Gennadius) is a polyphagous, highly destructive pest that is capable of vectoring viruses in most agricultural crops. Currently, information regarding the distribution and genetic diversity of B. tabaci in South Sudan is not available. The objectives of this study were to investigate the genetic variability of B. tabaci infesting sweet potato and cassava in South Sudan. Field surveys were conducted between August 2017 and July and August 2018 in 10 locations in Juba County, Central Equatoria State, South Sudan. The sequences of mitochondrial DNA cytochrome oxidase I (mtCOI) were used to determine the phylogenetic relationships between sampled B. tabaci. Six distinct genetic groups of B. tabaci were identified, including three non-cassava haplotypes (Mediterranean (MED), Indian Ocean (IO), and Uganda) and three cassava haplotypes (Sub-Saharan Africa 1 sub-group 1 (SSA1-SG1), SSA1-SG3, and SSA2). MED predominated on sweet potato and SSA2 on cassava in all of the sampled locations. The Uganda haplotype was also widespread, occurring in five of the sampled locations. This study provides important information on the diversity of B. tabaci species in South Sudan. A comprehensive assessment of the genetic diversity, geographical distribution, population dynamics, and host range of B. tabaci species in South Sudan is vital for its effective management.
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Affiliation(s)
- Beatrice C. Misaka
- Department of Agricultural Science, School of Natural Resources and Environmental Sciences, University of Juba, P.O. Box 82, Juba, South Sudan; (B.C.M.); (P.W.M.-d.)
- Department of Plant Sciences, Norwegian University of Life Sciences (NMBU), P.O. Box 5003, 1432 Ås, Norway
| | - Everlyne N. Wosula
- International Institute of Tropical Agriculture, P.O. Box 34441, Dar es Salaam, Tanzania; (E.N.W.); (J.P.L.)
| | - Philip W. Marchelo-d’Ragga
- Department of Agricultural Science, School of Natural Resources and Environmental Sciences, University of Juba, P.O. Box 82, Juba, South Sudan; (B.C.M.); (P.W.M.-d.)
| | - Trine Hvoslef-Eide
- Department of Plant Sciences, Norwegian University of Life Sciences (NMBU), P.O. Box 5003, 1432 Ås, Norway
- Correspondence: ; Tel.: +47-93433775
| | - James P. Legg
- International Institute of Tropical Agriculture, P.O. Box 34441, Dar es Salaam, Tanzania; (E.N.W.); (J.P.L.)
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Felicio TNP, Costa TL, Sarmento RA, Ramos RS, Pereira PS, da Silva RS, Picanço MC. Surrounding Vegetation, Climatic Elements, and Predators Affect the Spatial Dynamics of Bemisia tabaci (Hemiptera: Aleyrodidae) in Commercial Melon Fields. JOURNAL OF ECONOMIC ENTOMOLOGY 2019; 112:2774-2781. [PMID: 31265728 DOI: 10.1093/jee/toz181] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Indexed: 06/09/2023]
Abstract
Studying the spatial dynamics of pests allows the determination of abiotic and biotic factors affecting time and locations of pest attack to the crops. Such abiotic and biotic factors mainly include 1) climatic elements, 2) natural enemies, 3) phenological stage of plants, and 4) surrounding vegetation. Melon (Cucumis melo L. [Cucurbitales: Cucurbitaceae]) is among the most consumed fruit in the world, and the whitefly Bemisia tabaci (Gennadius) is among the main pests of this crop. This work aimed to determine the effects of surrounding vegetation, natural enemies, climatic elements, and stages of plants on the spatial dynamics of B. tabaci in commercial melon fields. Adult whitefly densities were monitored on four melon fields in a tropical climate region. Sampling location in crops was georeferenced. Experimental data were submitted to geostatistical analysis. The highest densities of B. tabaci occurred during hot periods experiencing lower rainfall, and when the surrounding area presented crops hosting B. tabaci, especially other melon farms. The density ratio of the predators (i.e., spiders and Geocoris sp.) were dependent on pest density. The pattern of field colonization by B. tabaci varies according to its density. Therefore, the surrounding vegetation, air temperature, and predators influence the spatial distribution of B. tabaci in melon fields. These results provide important information to melon farmers, assisting them to improve the management of B. tabaci in the field.
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Affiliation(s)
| | | | | | | | | | - Ricardo Siqueira da Silva
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG, Brazil
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Santana PA, Kumar L, Da Silva RS, Pereira JL, Picanço MC. Assessing the impact of climate change on the worldwide distribution of Dalbulus maidis (DeLong) using MaxEnt. PEST MANAGEMENT SCIENCE 2019; 75:2706-2715. [PMID: 30779307 DOI: 10.1002/ps.5379] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 02/12/2019] [Accepted: 02/18/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND For the first time, a model was applied at the global scale to investigate the effects of climate change on Dalbulus maidis. D. maidis is the main vector of three plant pathogens of maize crops and has been reported as one of the most important maize pests in Latin America. We modelled the effects of climate change on this pest using three Global Climate Models under two Representative Concentration Pathways (RCPs) using MaxEnt software. RESULTS Overall, climate change will lead to a decrease in suitable areas for D. maidis. In South America, climate change will decrease the areas suitable for the pest, especially in Brazil. However, Argentina, Chile, Colombia, Ecuador, Peru and Venezuela will have small areas that are highly suitable for the corn leafhopper. Outside the pest's range, Ethiopia, Kenya, Rwanda, Burundi and South Africa also should be concerned about the risk of corn leafhopper invasions in the future because they are projected to have conditions that are highly suitable for this insect in some areas. CONCLUSION This study allows the relevant countries to increase their quarantine measures and guide researchers to develop new Zea mays varieties that are resistant or tolerant to D. maidis. In addition, the maize-stunting pathogens for the areas are highlighted in this modelling. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Paulo A Santana
- Departamento de Fitotecnia, Universidade Federal de Viçosa, Viçosa, Brazil
- Ecosystem Management, School of Environmental and Rural Science, University of New England, Armidale, Australia
| | - Lalit Kumar
- Ecosystem Management, School of Environmental and Rural Science, University of New England, Armidale, Australia
| | - Ricardo S Da Silva
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Jardel L Pereira
- Departamento de Entomologia, Universidade Luterana do Brasil, Itumbiara, Brazil
| | - Marcelo C Picanço
- Departamento de Fitotecnia, Universidade Federal de Viçosa, Viçosa, Brazil
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, Brazil
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Ramos RS, Kumar L, Shabani F, da Silva RS, de Araújo TA, Picanço MC. Climate model for seasonal variation in Bemisia tabaci using CLIMEX in tomato crops. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2019; 63:281-291. [PMID: 30680622 DOI: 10.1007/s00484-018-01661-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 11/24/2018] [Accepted: 12/08/2018] [Indexed: 06/09/2023]
Abstract
The whitefly, Bemisia tabaci, is considered one of the most important pests for tomato Solanum lycopersicum. The population density of this pest varies throughout the year in response to seasonal variation. Studies of seasonality are important to understand the ecological dynamics and insect population in crops and help to identify which seasons have the best climatic conditions for the growth and development of this insect species. In this research, we used CLIMEX to estimate the seasonal abundance of a species in relation to climate over time and species geographical distribution. Therefore, this research is designed to infer the mechanisms affecting population processes, rather than simply provide an empirical description of field observations based on matching patterns of meteorological data. In this research, we identified monthly suitability for Bemisia tabaci, with the climate models, for 12 commercial tomato crop locations through CLIMEX (version 4.0). We observed that B. tabaci displays seasonality with increased abundance in tomato crops during March, April, May, June, October and November (first year) and during March, April, May, September and October (second year) in all monitored areas. During this period, our model demonstrated a strong agreement between B. tabaci density and CLIMEX weekly growth index (GIw), which indicates significant reliability of our model results. Our results may be useful to design sampling and control strategies, in periods and locations when there is high suitability for B. tabaci.
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Affiliation(s)
- Rodrigo Soares Ramos
- Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa, MG, 36570-900, Brazil.
- Ecosystem Management, School of Environmental and Rural Science, University of New England (UNE), Armidale, NSW, 2351, Australia.
| | - Lalit Kumar
- Ecosystem Management, School of Environmental and Rural Science, University of New England (UNE), Armidale, NSW, 2351, Australia
| | - Farzin Shabani
- Ecosystem Management, School of Environmental and Rural Science, University of New England (UNE), Armidale, NSW, 2351, Australia
- Biological Sciences, Flinders University, GPO Box 2100, Adelaide, South Australia, 5001, Australia
| | | | - Tamíris Alves de Araújo
- Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa, MG, 36570-900, Brazil
| | - Marcelo Coutinho Picanço
- Departamento de Entomologia, Universidade Federal de Viçosa (UFV), Viçosa, MG, 36570-900, Brazil
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