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Antony B, Montagné N, Comte A, Mfarrej S, Jakše J, Capoduro R, Shelke R, Cali K, AlSaleh MA, Persaud K, Pain A, Jacquin-Joly E. Deorphanizing an odorant receptor tuned to palm tree volatile esters in the Asian palm weevil sheds light on the mechanisms of palm tree selection. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2024; 169:104129. [PMID: 38704126 DOI: 10.1016/j.ibmb.2024.104129] [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: 01/24/2024] [Revised: 04/06/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
The Asian palm weevil, Rhynchophorus ferrugineus, is a tremendously important agricultural pest primarily adapted to palm trees and causes severe destruction, threatening sustainable palm cultivation worldwide. The host plant selection of this weevil is mainly attributed to the functional specialization of odorant receptors (ORs) that detect palm-derived volatiles. Yet, ligands are known for only two ORs of R. ferrugineus, and we still lack information on the mechanisms of palm tree detection. This study identified a highly expressed antennal R. ferrugineus OR, RferOR2, thanks to newly generated transcriptomic data. The phylogenetic analysis revealed that RferOR2 belongs to the major coleopteran OR group 2A and is closely related to a sister clade containing an R. ferrugineus OR (RferOR41) tuned to the non-host plant volatile and antagonist, α-pinene. Functional characterization of RferOR2 via heterologous expression in Drosophila olfactory neurons revealed that this receptor is tuned to several ecologically relevant palm-emitted odors, most notably ethyl and methyl ester compounds, but not to any of the pheromone compounds tested, including the R. ferrugineus aggregation pheromone. We did not evidence any differential expression of RferOR2 in the antennae of both sexes, suggesting males and females detect these compounds equally. Next, we used the newly identified RferOR2 ligands to demonstrate that including synthetic palm ester volatiles as single compounds and in combinations in pheromone-based mass trapping has a synergistic attractiveness effect to R. ferrugineus aggregation pheromone, resulting in significantly increased weevil catches. Our study identified a key OR from a palm weevil species tuned to several ecologically relevant palm volatiles and represents a significant step forward in understanding the chemosensory mechanisms of host detection in palm weevils. Our study also defines RferOR2 as an essential model for exploring the molecular basis of host detection in other palm weevil species. Finally, our work showed that insect OR deorphanization could aid in identifying novel behaviorally active volatiles that can interfere with weevil host-searching behavior in sustainable pest management applications.
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Affiliation(s)
- Binu Antony
- King Saud University, Chair of Date Palm Research, Center for Chemical Ecology and Functional Genomics, Department of Plant Protection, College of Food and Agricultural Sciences, Riyadh, 11451, Saudi Arabia.
| | - Nicolas Montagné
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Cité, Institute of Ecology and Environmental Sciences of Paris, iEES-Paris, 78000, Versailles, France
| | - Arthur Comte
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Cité, Institute of Ecology and Environmental Sciences of Paris, iEES-Paris, 78000, Versailles, France
| | - Sara Mfarrej
- King Abdullah University of Science and Technology (KAUST), Bioscience Programme, BESE Division, Thuwal, Jeddah, 23955-6900, Saudi Arabia
| | - Jernej Jakše
- University of Ljubljana, Biotechnical Faculty, Agronomy Department, SI-1000, Ljubljana, Slovenia
| | - Rémi Capoduro
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Cité, Institute of Ecology and Environmental Sciences of Paris, iEES-Paris, 78000, Versailles, France
| | - Rajan Shelke
- Don Bosco College of Agriculture, Agricultural Entomology Department, Sulcorna, Goa, 403705, India
| | - Khasim Cali
- The University of Manchester, Department of Chemical Engineering, Manchester, M13 9PL, UK
| | - Mohammed Ali AlSaleh
- King Saud University, Chair of Date Palm Research, Center for Chemical Ecology and Functional Genomics, Department of Plant Protection, College of Food and Agricultural Sciences, Riyadh, 11451, Saudi Arabia
| | - Krishna Persaud
- The University of Manchester, Department of Chemical Engineering, Manchester, M13 9PL, UK
| | - Arnab Pain
- King Abdullah University of Science and Technology (KAUST), Bioscience Programme, BESE Division, Thuwal, Jeddah, 23955-6900, Saudi Arabia
| | - Emmanuelle Jacquin-Joly
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Cité, Institute of Ecology and Environmental Sciences of Paris, iEES-Paris, 78000, Versailles, France
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Na SM, Im GI, Lee WS, Kim DG. Assessment of Attractant Combinations for the Management of Red Palm Weevils ( Rhynchophorus ferrugineus) in the United Arab Emirates. INSECTS 2024; 15:218. [PMID: 38667348 PMCID: PMC11049854 DOI: 10.3390/insects15040218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024]
Abstract
This study examined red palm weevil ecology in the United Arab Emirates to develop effective food baits, pheromone, and eco-friendly trapping methods. Three phases of investigation were conducted (from June to December 2023) on date palm farms in Ras Al Khaimah and Abu Dhabi. The first two phases, each 15 days long, were conducted in Ras Al Khaimah, whereas the third phase, 18 days long, was conducted in Abu Dhabi. Chemical attractants, such as existing pheromones and ethyl acetate, a newly synthesized ferruginol pheromone, and food baits, such as original dates, date paste, coconut water, and date palm syrup, were used to attract the weevils. Multi-funnel traps containing various attractant mixes were tested. The main activity of the red palm weevils was observed from 3:00 to 6:00 a.m., with 85.72 ± 3.39% being captured during this period, coinciding with cooler temperatures. When pheromones were added to the food bait, the capture rate increased by 6.95 ± 1.81 times. Combining food bait, ethyl acetate, and pheromones improved the capture rates by 3.14 ± 0.69 times compared to pheromones alone. The newly synthesized pheromone achieved capture rates 2.69 ± 0.07 times higher than those of the commercially available pheromone, confirming its suitability as a red palm weevil attractant.
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Affiliation(s)
- Su-Mi Na
- Institute of Environmental Ecology, Sahmyook University, Seoul 01795, Republic of Korea;
| | - Gue-Il Im
- IMPROCK Co., Ltd., Bucheon 14452, Republic of Korea; (G.-I.I.); (W.-S.L.)
| | - Woon-Seok Lee
- IMPROCK Co., Ltd., Bucheon 14452, Republic of Korea; (G.-I.I.); (W.-S.L.)
| | - Dong-Gun Kim
- Institute of Environmental Ecology, Sahmyook University, Seoul 01795, Republic of Korea;
- Smith College of Liberal Arts, Sahmyook University, Seoul 01795, Republic of Korea
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Yuan W, Rao X, Zhong B, Chen M, Ali H, Lv C, Niu C. Exploring the functional profiles of odorant binding proteins crucial for sensing key odorants in the new leaves of coconut palms in Rhynchophorus ferrugineus. Int J Biol Macromol 2024; 261:129852. [PMID: 38307432 DOI: 10.1016/j.ijbiomac.2024.129852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/28/2024] [Accepted: 01/28/2024] [Indexed: 02/04/2024]
Abstract
The red palm weevil (RPW), Rhynchophorus ferrugineus (Curculionidae: Coleoptera) is a highly destructive global pest of coconut trees, with a preference for laying its eggs on new leaves. Females can identify where to lay eggs by using their sense of smell to detect specific odorants found in new leaves. In this study, we focused on the two odorants commonly found in new leaves by GC-MS: trans, trans-2,4-nonadienal and trans-2-nonenal. Our behavioral assays demonstrated a significant attraction of females to both of these odorants, with their electrophysiological responses being dose-dependent. Furthermore, we examined the expression patterns induced by these odorants in eleven RferOBP genes. Among them, RferOBP3 and RferOBP1768 exhibited the most significant and simultaneous upregulation. To further understand the role of these two genes, we conducted experiments with females injected with OBP-dsRNA. This resulted in a significant decrease in the expression of RferOBP3 and RferOBP1768, as well as impaired the perception of the two odorants. A fluorescence competitive binding assay also showed that both RferOBPs strongly bound to the odorants. Additionally, sequence analysis revealed that these two RferOBPs belong to the Minus-C family and possess four conserved cysteines. Molecular docking simulations showed strong interactions between these two RferOBPs and the odorant molecules. Overall, our findings highlight the crucial role of RferOBP3 and RferOBP1768 in the olfactory perception of the key odorants in coconut palm new leaves. This knowledge significantly improves our understanding of how RPW females locate sites for oviposition and lays the foundation for future research on the development of environmentally friendly pest attractants.
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Affiliation(s)
- Weiqin Yuan
- Coconut Research Institute/Tropical Oil Crops Research Institute, Chinese Academy of Tropical Agriculture Sciences, Wenchang, Hainan 571300, China; College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Xinjie Rao
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China; New Horizon Health Co., Ltd., Hangzhou 310051, China
| | - Baozhu Zhong
- Coconut Research Institute/Tropical Oil Crops Research Institute, Chinese Academy of Tropical Agriculture Sciences, Wenchang, Hainan 571300, China
| | - Mengran Chen
- College of Plant Protection/Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, Hainan University, Haikou 570228, China
| | - Habib Ali
- Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information technology, Rahim Yar Khan 64200, Pakistan
| | - Chaojun Lv
- Coconut Research Institute/Tropical Oil Crops Research Institute, Chinese Academy of Tropical Agriculture Sciences, Wenchang, Hainan 571300, China.
| | - Changying Niu
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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Hoddle MS, Antony B, El-Shafie HAF, Chamorro ML, Milosavljević I, Löhr B, Faleiro JR. Taxonomy, Biology, Symbionts, Omics, and Management of Rhynchophorus Palm Weevils (Coleoptera: Curculionidae: Dryophthorinae). ANNUAL REVIEW OF ENTOMOLOGY 2024; 69:455-479. [PMID: 38270987 DOI: 10.1146/annurev-ento-013023-121139] [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: 01/27/2024]
Abstract
Palm weevils, Rhynchophorus spp., are destructive pests of native, ornamental, and agricultural palm species. Of the 10 recognized species, two of the most injurious species, Rhynchophorus ferrugineus and Rhynchophorus palmarum, both of which have spread beyond their native range, are the best studied. Due to its greater global spread and damage to edible date industries in the Middle East, R. ferrugineus has received more research interest. Integrated pest management programs utilize traps baited with aggregation pheromone, removal of infested palms, and insecticides. However, weevil control is costly, development of resistance to insecticides is problematic, and program efficacy can be impaired because early detection of infestations is difficult. The genome of R. ferrugineus has been sequenced, and omics research is providing insight into pheromone communication and changes in volatile and metabolism profiles of weevil-infested palms. We outline how such developments could lead to new control strategies and early detection tools.
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Affiliation(s)
- Mark S Hoddle
- Department of Entomology, University of California, Riverside, California, USA; ,
| | - Binu Antony
- Chair of Date Palm Research, Department of Plant Protection, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia;
| | - Hamadttu A F El-Shafie
- Sustainable Date Palm Pest Management Research Program, Date Palm Research Center of Excellence, King Faisal University, Hofuf-Al-Ahsa, Saudi Arabia;
| | - M Lourdes Chamorro
- Systematic Entomology Laboratory, Agricultural Research Service, US Department of Agriculture, c/o National Museum of Natural History, Smithsonian Institution, Washington, DC, USA;
| | - Ivan Milosavljević
- Department of Entomology, University of California, Riverside, California, USA; ,
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Naveed H, Andoh V, Islam W, Chen L, Chen K. Sustainable Pest Management in Date Palm Ecosystems: Unveiling the Ecological Dynamics of Red Palm Weevil (Coleoptera: Curculionidae) Infestations. INSECTS 2023; 14:859. [PMID: 37999058 PMCID: PMC10671898 DOI: 10.3390/insects14110859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 11/25/2023]
Abstract
The red palm weevil (RPW) poses a significant threat to date palm ecosystems, highlighting the necessity of sustainable pest management strategies that carefully consider the delicate ecological balance within these environments. This comprehensive review delves into innovative approaches to sustainable pest management, specifically focusing on date palm, and seeks to unravel the intricate ecological dynamics underlying RPW infestations. We thoroughly analyze biocontrol methods, eco-friendly chemical interventions, and integrated pest management (IPM) strategies, aiming to minimize the ecological impact while effectively addressing RPW infestations. By emphasizing the interplay of both living organisms (biotic) and environmental factors (abiotic) in shaping RPW dynamics, we advocate for a holistic and sustainable management approach that ensures the long-term resilience of date palm ecosystems. This review aims to contribute to an ecologically sound framework for pest management, promoting the sustainability and vitality of date palm ecosystems amidst the challenges posed by the RPW.
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Affiliation(s)
- Hassan Naveed
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (H.N.); (V.A.)
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Vivian Andoh
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (H.N.); (V.A.)
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Waqar Islam
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
| | - Liang Chen
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
| | - Keping Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (H.N.); (V.A.)
- School of Life Sciences, Jiangsu University, Zhenjiang 212013, China
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6
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Huang Y, Hu W, Hou YM. Host plant recognition by two odorant-binding proteins in Rhynchophorus ferrugineus (Coleoptera: Curculionidae). PEST MANAGEMENT SCIENCE 2023; 79:4521-4534. [PMID: 37421364 DOI: 10.1002/ps.7654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/09/2023] [Accepted: 07/08/2023] [Indexed: 07/10/2023]
Abstract
BACKGROUND Rhynchophorus ferrugineus, the red palm weevil (RPW), is a key pest that attacks many economically important palm species and that has evolved a sensitive and specific olfactory system to seek palm hosts. Odorant-binding proteins (OBPs) not only play crucial roles in its olfactory perception process but are also important molecular targets for the development of new approaches for pest management. RESULTS Analysis of the tissue expression profiles of RferOBP8 and RferOBP11 revealed that these two Rhynchophorus ferrugineus odorant binding proteins (RferOBPs) exhibited high expression in the antennae and showed sexual dimorphism. We analyzed the volatiles of seven host plants by gas chromatography-mass spectrometry and screened 13 potential ligands by molecular docking. The binding affinity of two recombinant OBPs to aggregation pheromones and 13 palm odorants was tested by fluorescence competitive binding assays. The results revealed that eight tested palm volatiles and ferrugineol have high binding affinities with RferOBP8 or RferOBP11. Behavioral trials showed that these eight odor compounds could elicit an attraction response in adult RPW. RNA interference analysis indicated that the reduction in the expression levels of the two RferOBPs led to a decrease in behavioral responses to these volatiles. CONCLUSION These results suggest that RferOBP8 and RferOBP11 are involved in mediating the responses of RPW to palm volatiles and to aggregation pheromones and may play important roles in RPW host-seeking. This study also provides a theoretical foundation for the promising application of novel molecular targets in the development of new behavioral interference strategies for RPW management in the future. © 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Ying Huang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Province Key Laboratory of Insect Ecology, Department of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Wei Hu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Province Key Laboratory of Insect Ecology, Department of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
| | - You-Ming Hou
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
- Fujian Province Key Laboratory of Insect Ecology, Department of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
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Diaz-Vidal T, Martínez-Pérez RB, Rosales-Rivera LC. Computational insights of the molecular recognition between volatile molecules and odorant binding proteins from the red palm weevil Rhynchophorus ferrugineus. J Biomol Struct Dyn 2023:1-14. [PMID: 37776004 DOI: 10.1080/07391102.2023.2262583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/17/2023] [Indexed: 10/01/2023]
Abstract
The red palm weevil Rhynchophorus ferrugineus (Coleoptera: Curculionidae) is one of the most harmful pests for palm trees, causing serious economic damage worldwide. The present work aims to model and study the 3D structures of highly expressed odorant binding proteins from R. ferrugineus (RferOBPs) and identify possible binding modes and ligand release mechanism by docking and molecular dynamics. Highly confident 3D structures of a total of 11 odorant binding proteins (OBPs) were obtained with AlphaFold2. All 3D RferOBPs modeled structures displayed six characteristic α-helices, except for RfeOBP7 and RfeOBP10, which had an extra terminal α-helix. Among the eleven modeled RferOBPs, RferOBP4 was highly expressed in the antennae and subsequently selected for further analyses. Molecular docking analyses demonstrated that ferruginol, α-pinene, DEET, and picaridin can favorably bind the RferOBP4 cavity with low affinity energies. Molecular dynamic simulations of RferOBP4 bound to ferruginol at different pH values showed that low pH environments dictate a structural change into an apo-state that modifies the number of tunnels where the ligand can coexist, further triggering ligand release by a pH-dependent mechanism. This is the first report concerning the modelling and study of ligand binding modes and release mechanism of R. ferrugineus OBPs.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Tania Diaz-Vidal
- Departamento de Ingeniería Química, Universidad de Guadalajara, Guadalajara, Mexico
| | - Raúl Balam Martínez-Pérez
- Departamento de Biotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora, Ciudad Obregón, Mexico
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Lim DH, Ahmadi Y, Kim YH, Kim KH. The extent of harmful volatile organic compounds released when smoking after breaking the flavor capsules of heat-not-burn (HNB) cigarette products. ENVIRONMENTAL RESEARCH 2023; 216:114501. [PMID: 36220443 DOI: 10.1016/j.envres.2022.114501] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/22/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
A number of flavored capsule heat-not-burn (FC-HNB) tobacco products such as IQOS, Lil, and Glo have been introduced as a new generation of cigarettes. As they can release various types of volatile organic compounds (VOCs), it is important to assess the harmfulness associated with their use. Thus, the composition of VOCs in HNB cigarette vapor was evaluated to investigate the interactive roles of key variables controlling the relationships between VOC composition and capsule breaking, particularly the compositional changes induced by capsule breaking and release of flavor from FC-HNB cigarettes relative to regular products. As the capsules of FC-HNB cigarettes were broken, the total VOC concentrations increased by as high as eight times from 60.3 ± 0.48 to 488 ± 21.8 μg cig-1. The key VOC components released after breaking the flavored capsules were identified as ethyl butyrate (157 ± 13.6 μg cig-1; Lil), isoamyl acetate (76.9 ± 1.98 μg cig-1; Lil), and limonene (52.3 ± 3.29 μg cig-1; Glo). If the primary health risks of FC-HNB cigarette vapor are assessed using National Institute for Occupational Safety & Health (NIOSH) guidelines, 2,3-butanedinone exceeds the maximum daily intake limit (i.e., 0.05 mg day-1). Our study is expected to offer valuable insights into the harmful effects of direct and indirect exposure to various VOCs in FC-HNB products.
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Affiliation(s)
- Dae-Hwan Lim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-Gu, Seoul, 04763, Republic of Korea
| | - Younes Ahmadi
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-Gu, Seoul, 04763, Republic of Korea; Department of Analytical Chemistry, Kabul University, Kabul, 1001, Afghanistan
| | - Young-Hyun Kim
- Department of Environmental Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin, Jeonju, Jeollabukdo, 54896, Republic of Korea; Department of Environment and Energy, Jeonbuk National University, 567 Baekje-daero, Deokjin, Jeonju, Jeollabukdo, 54896, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-Gu, Seoul, 04763, Republic of Korea.
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Bandeira PT, Fávaro CF, Francke W, Bergmann J, Zarbin PHG. Aggregation Pheromones of Weevils (Coleoptera: Curculionidae): Advances in the Identification and Potential Uses in Semiochemical-Based Pest Management Strategies. J Chem Ecol 2021; 47:968-986. [PMID: 34671912 DOI: 10.1007/s10886-021-01319-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/20/2021] [Accepted: 08/25/2021] [Indexed: 11/27/2022]
Abstract
With approximately 83,000 species described, Curculionidae is the largest family of beetles, comprising more than 80% of all weevil species worldwide. Many species of Curculionidae attack a wide range of native and orchards crops, as well as globally important stored products such as grains, flour, and seeds, being responsible for significant environmental and economic losses. This work provides an overview of the research in the identification of aggregation pheromones of Curculionidae, and their potential contributions to the development of semiochemical-based pest management strategies. The synergistic effect of the host plant volatiles in the attractiveness of weevil pheromones is also briefly reported, demonstrating the important role of these additional attractants in the chemical communication of curculionids.
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Affiliation(s)
- Pamela Taisline Bandeira
- Laboratório de Semioquímicos, Departamento de Química, Universidade Federal do Paraná, UFPR, Caixa Postal 19020, Curitiba, PR, 81531-990, Brazil
| | - Carla Fernanda Fávaro
- Laboratório de Controle Biológico e Semioquímicos, Universidade Estadual de Santa Cruz, Ilhéus, BA, 45662-900, Brazil
| | - Wittko Francke
- Institute of Organic Chemistry, University of Hamburg, 20146, Hamburg, Germany
| | - Jan Bergmann
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Avda. Universidad 330, Valparaíso, Chile
| | - Paulo Henrique Gorgatti Zarbin
- Laboratório de Semioquímicos, Departamento de Química, Universidade Federal do Paraná, UFPR, Caixa Postal 19020, Curitiba, PR, 81531-990, Brazil.
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Dalbon VA, Acevedo JPM, Ribeiro Junior KAL, Ribeiro TFL, da Silva JM, Fonseca HG, Santana AEG, Porcelli F. Perspectives for Synergic Blends of Attractive Sources in South American Palm Weevil Mass Trapping: Waiting for the Red Palm Weevil Brazil Invasion. INSECTS 2021; 12:insects12090828. [PMID: 34564268 PMCID: PMC8466344 DOI: 10.3390/insects12090828] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/27/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022]
Abstract
Coupling several natural and synthetic lures with aggregation pheromones from the palm weevils Rhynchophorus palmarum and R. ferrugineus reveals a synergy that results in an increase in pest captures. The combined attraction of pure pheromones, ethyl acetate, and decaying sweet and starchy plant tissue increases the net total of mass-trapped weevils. The 2018 entrance of the red palm weevil (RPW) into South America has threatened palm-product income in Brazil and other neighboring countries. The presence of the new A1 quarantine pest necessitates the review of all available options for a sustainable mass-trapping, monitoring, and control strategy to ultimately target both weevils with the same device. The effective lure-blend set for the mass-trapping system will attract weevils in baiting and contaminating stations for entomopathogenic fungi that the same weevils will spread.
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Affiliation(s)
- Viviane Araujo Dalbon
- Natural Resources Research Laboratory, Center for Engineering and Agrarian Sciences, Federal University of Alagoas, Renorbio (LPqRN, CECA, Renorbio-UFAL), Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió 57072-900, AL, Brazil; (K.A.L.R.J.); (T.F.L.R.); (H.G.F.); (A.E.G.S.)
- Correspondence:
| | - Juan Pablo Molina Acevedo
- Colombian Corporation for Agricultural Research Agrosavia C. I. Turipana—AGROSAVIA, Km. 13, Vía Montería-Cereté 230558, Córdoba, Colombia;
| | - Karlos Antônio Lisboa Ribeiro Junior
- Natural Resources Research Laboratory, Center for Engineering and Agrarian Sciences, Federal University of Alagoas, Renorbio (LPqRN, CECA, Renorbio-UFAL), Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió 57072-900, AL, Brazil; (K.A.L.R.J.); (T.F.L.R.); (H.G.F.); (A.E.G.S.)
| | - Thyago Fernando Lisboa Ribeiro
- Natural Resources Research Laboratory, Center for Engineering and Agrarian Sciences, Federal University of Alagoas, Renorbio (LPqRN, CECA, Renorbio-UFAL), Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió 57072-900, AL, Brazil; (K.A.L.R.J.); (T.F.L.R.); (H.G.F.); (A.E.G.S.)
| | - Joao Manoel da Silva
- Microbiology Research Laboratory, Center for Engineering and Agrarian Sciences, Federal University of Alagoas, Renorbio (LM, CECA, Renorbio-UFAL), Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió 57072-900, AL, Brazil;
| | - Henrique Goulart Fonseca
- Natural Resources Research Laboratory, Center for Engineering and Agrarian Sciences, Federal University of Alagoas, Renorbio (LPqRN, CECA, Renorbio-UFAL), Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió 57072-900, AL, Brazil; (K.A.L.R.J.); (T.F.L.R.); (H.G.F.); (A.E.G.S.)
| | - Antônio Euzébio Goulart Santana
- Natural Resources Research Laboratory, Center for Engineering and Agrarian Sciences, Federal University of Alagoas, Renorbio (LPqRN, CECA, Renorbio-UFAL), Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió 57072-900, AL, Brazil; (K.A.L.R.J.); (T.F.L.R.); (H.G.F.); (A.E.G.S.)
| | - Francesco Porcelli
- Dipartimento di Scienze del Suolo, della Pianta e degli Alimenti, University of Bari Aldo Moro, Via Amendola, 165/a, 70126 Bari, Italy;
- CIHEAM Mediterranean Agronomic Institute of Bari, Via Ceglie 9, 70010 Bari, Italy
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11
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Ji T, Xu Z, Jia Q, Wang G, Hou Y. Non-palm Plant Volatile α-Pinene Is Detected by Antenna-Biased Expressed Odorant Receptor 6 in the Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae). Front Physiol 2021; 12:701545. [PMID: 34434116 PMCID: PMC8381602 DOI: 10.3389/fphys.2021.701545] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/06/2021] [Indexed: 11/19/2022] Open
Abstract
The majority of insects rely on a highly complex and precise olfactory system to detect various volatile organic compounds released by host and non-host plants in environments. The odorant receptors (ORs) are considered to play an important role in odor recognition and the molecular basis of ORs, particularly in coleopterans they are relatively poorly understood. The red palm weevil (RPW), Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae), is one of the most destructive pests of the global palm industry. Although feeding and egg oviposition behaviors of RPW can be repelled by some non-palm plant volatiles, such as α-pinene, geraniol, or 1-octen-3-ol, there is limited understanding of how RPW recognizes the non-host plant volatiles. In this study, three candidate RferOrs were identified from the Rfer-specific clade, and the tissue expression analysis used was mainly expressed in the antennae of both sexes. Functional characterization of RferOr6, RferOr40, and RferOr87 was analyzed by using the Xenopus oocyte expression system, and the results indicated that RferOr6/RferOrco was narrowly tuned to α-pinene. The behavioral experiment showed that α-pinene at the concentrations of 10 and 100 μg/μl can cause a significantly repelled behavioral response of RPW. In conclusion, this study reveals that RferOr6 is an antenna-biased expressed OR used by RPW to detect the volatile compound α-pinene in non-palm plants, and our results provide a foundation for further in vivo functional studies of Or6 in RPW, including in vivo knockout/knockdown and feeding/ovipositing behavioral studies of RPW and further pest control.
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Affiliation(s)
- Tianliang Ji
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Province Key Laboratory of Insect Ecology, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China.,State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhi Xu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Province Key Laboratory of Insect Ecology, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China.,State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qingchen Jia
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Province Key Laboratory of Insect Ecology, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Guirong Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Youming Hou
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fujian Province Key Laboratory of Insect Ecology, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
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12
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Milosavljević I, Hoddle CD, Mafra-Neto A, Gómez-Marco F, Hoddle MS. Use of Digital Video Cameras to Determine the Efficacy of Two Trap Types for Capturing Rhynchophorus palmarum (Coleoptera: Curculionidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2020; 113:3028-3031. [PMID: 32996571 DOI: 10.1093/jee/toaa223] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Indexed: 06/11/2023]
Abstract
The efficacies of two trap types, bucket and Picusan traps, for capturing and retaining Rhynchophorus palmarum (L.), an invasive palm pest responsible for killing thousands of ornamental Canary Islands date palms (Phoenix canariensis Chabaud [Arecales: Arecaceae]) in San Diego County, CA, were compared. Digital video data were analyzed to determine how R. palmarum behavior toward each trap type affected capture and retention rates. Videography was conducted 24 h/d, 7 d/wk, for more than 7 mo resulting in 20,211 h of digital data for analysis. Weevil attraction to traps was observed only during daylight hours and no patterns in diel activity were found. Neither trap type tested captured 100% of weevils attracted to traps. Bucket traps suspended 1.5 m above the ground attracted 30% more weevils than ground deployed Picusan traps. Of those weevils attracted to bucket traps, 89% entered, 82% escaped, and 18% that entered traps were retained. Weevils that were not retained spent an average of 19 min 20 s entering and exiting entry holes and walking and flying around the bucket trap. By contrast, Picusan traps captured 89% of weevils that entered the trap. The time between weevils arriving (via walking or flight) on the sides of the Picusan trap and retention in the trap ranged between 90 and 376 s. These visual observations suggest that Picusan traps are more efficient than bucket traps for R. palmarum capture.
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Affiliation(s)
| | | | | | | | - Mark S Hoddle
- Department of Entomology, University of California, Riverside, CA
- Center for Invasive Species Research, University of California, Riverside, CA
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13
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Milosavljević I, Hoddle CD, Mafra-Neto A, Gómez-Marco F, Hoddle MS. Effects of Food Bait and Trap Type on Captures of Rhynchophorus palmarum (Coleoptera: Curculionidae) and Trap Bycatch in Southern California. JOURNAL OF ECONOMIC ENTOMOLOGY 2020; 113:2407-2417. [PMID: 32814963 DOI: 10.1093/jee/toaa175] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Indexed: 06/11/2023]
Abstract
Rhynchophorus palmarum (L.) is an invasive pest responsible for killing thousands of ornamental Canary Islands date palms (Phoenix canariensis Chabaud) in San Diego County, CA. Two field experiments were conducted to compare the attractiveness of six different baits and two trap types. The tested baits were dates + water; dates + water + Saccharomyces cerevisiae; dates + water + S. bayanus; dates + water + S. pastorianus; 15% sugarcane molasses water solution mixed with 3% paraffinic oil, and a no bait control treatment. The two traps tested were white bucket traps (hanging 1.5 m above the ground and set on the ground) and black cone shaped Picusan traps (set on ground only). All traps were loaded with commercially available R. palmarum aggregation pheromone and the synergist ethyl acetate. Differences in weevil capture rates were observed across bait and trap types. Weevil captures were almost five times greater in Picusan traps compared to bucket traps that were hanging or placed on the ground. Adding dates and water alone or combined with S. cerevisiae to traps increased weevil captures compared to other baits and controls. Trap and bait types affected bycatch of nontarget arthropod species. In general, spiders, earwigs, and carabid beetles were most commonly recovered from Picusan traps, regardless of bait type. Scarab beetles, moths, and flies were found more frequently in bucket traps baited with molasses or dates mixed with S. bayanus. No effects of bait and trap type were associated with bycatch species richness.
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Affiliation(s)
| | | | | | | | - Mark S Hoddle
- Department of Entomology, University of California, Riverside, CA
- Center for Invasive Species Research, University of California, Riverside, CA
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14
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Khun KK, Wilson BAL, Stevens MM, Huwer RK, Ash GJ. Integration of Entomopathogenic Fungi into IPM Programs: Studies Involving Weevils (Coleoptera: Curculionoidea) Affecting Horticultural Crops. INSECTS 2020; 11:E659. [PMID: 32992798 PMCID: PMC7599691 DOI: 10.3390/insects11100659] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 09/20/2020] [Accepted: 09/21/2020] [Indexed: 11/30/2022]
Abstract
Weevils are significant pests of horticultural crops and are largely managed with insecticides. In response to concerns about negative impacts of synthetic insecticides on humans and the environment, entomopathogenic fungi (EPF) have been developed as an alternative method of control, and as such appear to be "ready-made" components of integrated pest management (IPM) programs. As the success of pest control requires a thorough knowledge of the biology of the pests, this review summarises our current knowledge of weevil biology on nut trees, fruit crops, plant storage roots, and palm trees. In addition, three groups of life cycles are defined based on weevil developmental habitats, and together with information from studies of EPF activity on these groups, we discuss the tactics for integrating EPF into IPM programs. Finally, we highlight the gaps in the research required to optimise the performance of EPF and provide recommendations for the improvement of EPF efficacy for the management of key weevils of horticultural crops.
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Affiliation(s)
- Kim Khuy Khun
- Faculty of Agronomy, Royal University of Agriculture, P.O. Box 2696, Dangkor District, Phnom Penh, Cambodia
- Centre for Crop Health, Institute for Life Sciences and the Environment, University of Southern Queensland, Toowoomba, Queensland 4350, Australia; (B.A.L.W.); (G.J.A.)
| | - Bree A. L. Wilson
- Centre for Crop Health, Institute for Life Sciences and the Environment, University of Southern Queensland, Toowoomba, Queensland 4350, Australia; (B.A.L.W.); (G.J.A.)
| | - Mark M. Stevens
- NSW Department of Primary Industries, Yanco Agricultural Institute, Yanco, New South Wales 2703, Australia;
- Graham Centre for Agricultural Innovation (NSW Department of Primary Industries and Charles Sturt University), Wagga Wagga, New South Wales 2650, Australia
| | - Ruth K. Huwer
- NSW Department of Primary Industries, Wollongbar Primary Industries Institute, Wollongbar, New South Wales 2477, Australia;
| | - Gavin J. Ash
- Centre for Crop Health, Institute for Life Sciences and the Environment, University of Southern Queensland, Toowoomba, Queensland 4350, Australia; (B.A.L.W.); (G.J.A.)
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15
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De La Pava Suárez N, García Sarabia MA, Brochero Bustamante CE, Sepúlveda Cano PA. Registros de Dryophthorinae (Coleoptera: Curculionidae) de la Costa Caribe colombiana. ACTA BIOLÓGICA COLOMBIANA 2020. [DOI: 10.15446/abc.v25n1.77797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Dyophthorinae es una subfamilia con varias especies asociadas principalmente al consumo de monocotiledóneas, siendo consideradas en Colombia plaga en cultivos de palmas, musáceas y granos como maíz, trigo, sorgo y arroz. En este documento se presenta un listado de las especies de Dryophthorinae para los departamentos de la costa Caribe colombiana, construido a partir de las visitas a colecciones entomológicas y de la revisión de literatura. Para la región se registraron 11 especies: Cosmopolites sordidus, Dynamis borassi, Mesocordylus striatus, Metamasius hemipterus, M. hebetatus, Polytus mellerborgii, Rhynchophorus palmarum, Rhodobaenus sp., Rhinostomus barbirostris, Sitophilus zeamais y S. oryzae, algunas de las cuales se documentan por primera vez para esta zona. Se discute la importancia de realizar muestreos sistemáticos de este grupo y estudios tendientes a mejorar el conocimiento sobre su distribución y biología, así como su impacto en producciones agrícolas y su potencial como plagas en el país.
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16
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Navarro-Llopis V, Primo J, Vacas S. Improvements in Rhynchophorus ferrugineus (Coleoptera: Dryophthoridae) Trapping Systems. JOURNAL OF ECONOMIC ENTOMOLOGY 2018; 111:1298-1305. [PMID: 29579236 DOI: 10.1093/jee/toy065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Indexed: 06/08/2023]
Abstract
Improved trap efficacy is crucial for implementing control methods for red palm weevil, Rhynchophorus ferrugineus (Olivier; Coleoptera: Dryophthoridae), based on trapping systems, such as mass trapping, attract and infect or attract and sterilize techniques. Although new trap designs have been proposed and aggregation pheromone dispensers have been optimized, aspects such as the use of co-attractants (molasses) and trap placement are still not well defined and standardized. The efficacy of three concentrations of molasses and different formulations to reduce water evaporation in traps was studied in different field trials to improve trapping systems and to prolong trap servicing periods. In addition, the performance of installing groups of traps or single traps was also evaluated with the aim of improving the attracted/captured weevils ratio. Our results showed that captures increased when molasses were added at 15% to the water contained in the trap and that a thin layer of oil, created by adding 2-3% of paraffinic oil to water, was able to effectively reduce evaporation and prolong trap servicing periods. Moreover, 3.5-fold more weevils were captured when placing five traps instead of one at the same trapping point. Results obtained allow improved efficacy and may have an impact in the economic viability of trapping systems and, therefore, in integrated pest management programs.
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Affiliation(s)
- Vicente Navarro-Llopis
- Centro de Ecología Química Agrícola - Instituto Agroforestal del Mediterráneo. Universitat Politècnica de València, Camino de Vera s/n, edificio, Valencia, Spain
| | - Jaime Primo
- Centro de Ecología Química Agrícola - Instituto Agroforestal del Mediterráneo. Universitat Politècnica de València, Camino de Vera s/n, edificio, Valencia, Spain
| | - Sandra Vacas
- Centro de Ecología Química Agrícola - Instituto Agroforestal del Mediterráneo. Universitat Politècnica de València, Camino de Vera s/n, edificio, Valencia, Spain
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17
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Hasni N, Pinier C, Imed C, Ouhichi M, Couzi P, Chermiti B, Frérot B, Saïd I, Rochat D. Synthetic Co-Attractants of the Aggregation Pheromone of the Date Palm Root Borer Oryctes agamemnon. J Chem Ecol 2017; 43:631-643. [PMID: 28667548 DOI: 10.1007/s10886-017-0862-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/12/2017] [Accepted: 06/21/2017] [Indexed: 10/19/2022]
Abstract
Laboratory and field investigations to identify and evaluate plant co-attractants of the aggregation pheromone of the date palm pest Oryctes agamemnon are reported. Volatiles emitted by freshly cut palm core and palm core with feeding males, were collected, analyzed by gas chromatography coupled to mass spectrometry and evaluated in olfactometers alone or combined with synthetic pheromone. A collection of palm odor without male effluvia was attractive alone and enhanced attraction to synthetic pheromone in an olfactometer similar to that to a collection of palm odor emitted with feeding males and containing natural pheromone. Behavioral responses to collections of palm volatiles were correlated to the amount of volatiles material in them. Enhancement of the attractiveness of the pheromone was not correlated to chemicals specific to beetle feeding. The chemicals common to the active collections extracts were benzoate esters, mostly ethyl benzoate, anisole derivatives and sesquiterpenes. Blends of the most abundant components of the extracts were evaluated for enhancement of the attractiveness of pheromone (1 μg) in olfactometers at 1 or 10 μg doses. The mixtures were further evaluated by field trapping in Tunisia at 3-10 mg/day using reference (6 mg/day) or experimental pheromone formulations. A mixture of ethyl benzoate, 4-methylanisole and farnesol (1:1:1 w/w at 6.5 mg/day) enhanced captures in pheromone baited traps in 2014 and 2015 and this mixture was as active as the natural palm bait. The practical prospect of the result for the management for O. agamemnon, and other palm beetles is discussed.
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Affiliation(s)
- Narjes Hasni
- Unité de Recherche Biochimie Macromoléculaire et Génétique, Faculté des Sciences de Gafsa, Université de Gafsa, Campus Zarroug, 2112, Gafsa, Tunisia
| | - Centina Pinier
- UMR 1392 iEES Paris, INRA, UPMC, CNRS, IRD, Paris Diderot, UPEC, Route de Saint- Cyr, F-78026, Versailles, France
| | - Cheraief Imed
- Laboratory of Biochemistry, UR03/ES-08 'Human Nutrition and Metabolic Disorders' Faculty of Medicine, 5019, Monastir, Tunisia
| | - Monêem Ouhichi
- Office of Development of Rjim Maâtoug, Avenue Salah Ben Youssef, 4200, Kebili, Tunisia
| | - Philippe Couzi
- UMR 1392 iEES Paris, INRA, UPMC, CNRS, IRD, Paris Diderot, UPEC, Route de Saint- Cyr, F-78026, Versailles, France
| | - Brahim Chermiti
- Institut Supérieur Agronomique de Chott-Mariem, 4042, Sousse, Tunisia
| | - Brigitte Frérot
- UMR 1392 iEES Paris, INRA, UPMC, CNRS, IRD, Paris Diderot, UPEC, Route de Saint- Cyr, F-78026, Versailles, France
| | - Imen Saïd
- Unité de Recherche Biochimie Macromoléculaire et Génétique, Faculté des Sciences de Gafsa, Université de Gafsa, Campus Zarroug, 2112, Gafsa, Tunisia
| | - Didier Rochat
- UMR 1392 iEES Paris, INRA, UPMC, CNRS, IRD, Paris Diderot, UPEC, Route de Saint- Cyr, F-78026, Versailles, France.
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Beck JJ, Torto B, Vannette RL. Eavesdropping on Plant-Insect-Microbe Chemical Communications in Agricultural Ecology: A Virtual Issue on Semiochemicals. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:5101-5103. [PMID: 28655277 DOI: 10.1021/acs.jafc.7b02741] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- John J Beck
- Chemistry Research Unit, Center for Medical, Agricultural and Veterinary Entomology, Agricultural Research Service (ARS), United States Department of Agriculture (USDA) , 1700 Southwest 23rd Drive, Gainesville, Florida 32608, United States
| | - Baldwyn Torto
- International Centre of Insect Physiology and Ecology (ICIPE) , Post Office Box 30772-00100, Nairobi, Kenya
| | - Rachel L Vannette
- Department of Entomology and Nematology, University of California, Davis , 1 Shields Avenue, Davis, California 95616, United States
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Soroker V, Suma P, Pergola AL, Llopis VN, Vacas S, Cohen Y, Cohen Y, Alchanatis V, Milonas P, Golomb O, Goldshtein E, Banna AEME, Hetzroni A. Surveillance Techniques and Detection Methods for
Rhynchophorus ferrugineus
and
Paysandisia archon. HANDBOOK OF MAJOR PALM PESTS 2017:209-232. [DOI: 10.1002/9781119057468.ch10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Vacas S, Navarro I, Seris E, Ramos C, Hernández E, Navarro-Llopis V, Primo J. Identification of the Male-Produced Aggregation Pheromone of the Four-Spotted Coconut Weevil, Diocalandra frumenti. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:270-275. [PMID: 27983833 DOI: 10.1021/acs.jafc.6b04829] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The four-spotted coconut weevil, Diocalandra frumenti Fabricius (Coleoptera: Dryophthoridae), is a small weevil found attacking economically important palm species, such as coconut, date, oil, and Canary palms. Given the scarcity of detection and management tools for this pest, the availability of a pheromone to be included in trapping protocols would be a crucial advantage. Previous laboratory experiments showed evidence for aggregation behavior; thus, our main goal was to identify the aggregation pheromone in this species. The volatile profile of D. frumenti individuals was studied by aeration and collection of effluvia in Porapak-Q and also by solid phase microextraction (SPME) techniques. Moreover, solvent extraction of previously frozen crushed individuals was also performed. All resulting extracts and SPME fibers were analyzed by gas chromatography coupled to mass spectrometry (GC-MS). The comparison of male and female samples provided the candidate compound, 5-ethyl-2,4-dimethyl-6,8-dioxabicyclo[3.2.1]octane (multistriatin), whose biological activity was evaluated in olfactometer and field assays.
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Affiliation(s)
- Sandra Vacas
- CEQA-Instituto Agroforestal del Mediterráneo, Universitat Politècnica de València , Camino de Vera s/n, edificio 6C-5a planta, 46022 Valencia (Valencia), Spain
| | - Ismael Navarro
- Ecología y Protección Agrícola SL , Pol. Ind. Ciutat de Carlet, 46240 Carlet (Valencia), Spain
| | - Elena Seris
- Dirección General de Agricultura - Gobierno de Canarias , 38003 Santa Cruz de Tenerife (Tenerife), Spain
| | - Carina Ramos
- Dirección General de Agricultura - Gobierno de Canarias , 38003 Santa Cruz de Tenerife (Tenerife), Spain
| | - Estrella Hernández
- ICIA-Instituto Canario de Investigaciones Agrarias , Ctra. de El Boquerón s/n Valle Guerra, 38270 La Laguna (Tenerife), Spain
| | - Vicente Navarro-Llopis
- CEQA-Instituto Agroforestal del Mediterráneo, Universitat Politècnica de València , Camino de Vera s/n, edificio 6C-5a planta, 46022 Valencia (Valencia), Spain
| | - Jaime Primo
- CEQA-Instituto Agroforestal del Mediterráneo, Universitat Politècnica de València , Camino de Vera s/n, edificio 6C-5a planta, 46022 Valencia (Valencia), Spain
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21
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Vacas S, Melita O, Michaelakis A, Milonas P, Minuz R, Riolo P, Abbass MK, Lo Bue P, Colazza S, Peri E, Soroker V, Livne Y, Primo J, Navarro-Llopis V. Lures for red palm weevil trapping systems: aggregation pheromone and synthetic kairomone. PEST MANAGEMENT SCIENCE 2017; 73:223-231. [PMID: 27060471 DOI: 10.1002/ps.4289] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 03/21/2016] [Accepted: 04/02/2016] [Indexed: 06/05/2023]
Abstract
BACKGROUND The optimisation of the lure is essential for the implementation of trapping systems to control insect pests. In this work, the response of the red palm weevil (RPW), Rhynchophorus ferrugineus Olivier, to increasing emission rates of its aggregation pheromone (ferrugineol) and the efficacy of a convenient synthetic kairomone based on fermentation odours (ethyl acetate and ethanol) have been evaluated in different years and locations along the Mediterranean basin. RESULTS In general, although capture data and emission had noticeable variability among locations, significantly fewer RPW were captured in pyramidal Picusan® traps with the lowest ferrugineol emission rates tested (0.6-3.8 mg day-1 ). Captures increased rapidly with ferrugineol emission up to 4-5 mg day-1 ; then, higher emission rates did not improve or reduce captures, up to the highest emission rate tested of 50.9 mg day-1 . Thus, there is no evidence of an optimum release rate corresponding to a maximum of RPW catches. Traps baited with the synthetic kairomone (1:3 ethyl acetate/ethanol) captured 1.4-2.2 times more total weevils than traps baited only with ferrugineol. Moreover, in most of the locations, the synthetic blend was at least as effective as the local coattractants used (plant material + molasses). CONCLUSIONS Ferrugineol emission rate can vary in a wide range without significantly affecting RPW response. Coattractants based on fermenting compounds, ethyl acetate and ethanol, are able to improve the attractant level of ferrugineol and could be employed to replace non-standardised natural kairomones in RPW trapping systems after further optimisation of their proportions and doses. © 2016 Society of Chemical Industry.
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Affiliation(s)
- Sandra Vacas
- Centro de Ecología Química Agrícola - Instituto Agroforestal del Mediterráneo, Universitat Politècnica de València, Valencia, Spain
| | - Ourania Melita
- Department of Entomology and Agricultural Zoology, Benaki Phytopathological Institute, Kifissia, Greece
| | - Antonios Michaelakis
- Department of Entomology and Agricultural Zoology, Benaki Phytopathological Institute, Kifissia, Greece
| | - Panagiotis Milonas
- Department of Entomology and Agricultural Zoology, Benaki Phytopathological Institute, Kifissia, Greece
| | - Roxana Minuz
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | - Paola Riolo
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | | | - Paolo Lo Bue
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | - Stefano Colazza
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | - Ezio Peri
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | - Victoria Soroker
- Agricultural Research Organisation, the Volcani Centre, Bet-Dagan, Israel
| | - Yaara Livne
- Eden Experimental Farm, Emeq Beit Sheaan, Israel
| | - Jaime Primo
- Centro de Ecología Química Agrícola - Instituto Agroforestal del Mediterráneo, Universitat Politècnica de València, Valencia, Spain
| | - Vicente Navarro-Llopis
- Centro de Ecología Química Agrícola - Instituto Agroforestal del Mediterráneo, Universitat Politècnica de València, Valencia, Spain
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Yan W, Liu L, Qin W, Luo Y, Ma X, Haider N, Inayeh M. Identification and tissue expression profiling of odorant binding protein genes in the red palm weevil, Rhynchophorus ferrugineus. SPRINGERPLUS 2016; 5:1542. [PMID: 27652115 PMCID: PMC5020018 DOI: 10.1186/s40064-016-3198-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 09/01/2016] [Indexed: 11/16/2022]
Abstract
Background The red palm weevil, Rhynchophorus ferrugineus, is a lethal pest of the palms. The identification of odorant binding protein (OBP) genes will be helpful for clarifing the mechanism of odorant detection of this pest. By sequencing the full length cDNA library of its antenne, 11 OBP genes (RferOBP1-11) were identified. Findings The result showed RferOBP1-7 and RferOBP8-11 belonged to the minus-C and classic family, respectively qPCR revealed that RferOBP1-10 highly transcribed in the antennae, of which RferOBP1, RferOBP4, RferOBP8 and RferOBP10 were obviously male-biased expression. RferOBP7 and RferOBP11 exhibited highly expression in female head and male thorax. RferOBP2, RferOBP5 and RferOBP6 were highly expressed in the female thorax, leg and abdomen respectively. Conclusions The results paved the way towards a future understanding of the olfaction in this species.
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Affiliation(s)
- Wei Yan
- Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing, 100083 China ; Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Hainan, 571339 China
| | - Li Liu
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Hainan, 571339 China
| | - Weiquan Qin
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Hainan, 571339 China
| | - Youqing Luo
- Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing, 100083 China
| | - Xuezhong Ma
- China-Arab Date Palm Research Center, Ningxia, 750001 China
| | - Nabil Haider
- China-Arab Date Palm Research Center, Ningxia, 750001 China
| | - Muhanad Inayeh
- China-Arab Date Palm Research Center, Ningxia, 750001 China
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23
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Oehlschlager AC. Palm Weevil Pheromones – Discovery and Use. J Chem Ecol 2016; 42:617-30. [DOI: 10.1007/s10886-016-0720-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 06/14/2016] [Accepted: 06/27/2016] [Indexed: 11/29/2022]
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Ilić M, Pirih P, Belušič G. Four photoreceptor classes in the open rhabdom eye of the red palm weevil, Rynchophorus ferrugineus Olivier. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2016; 202:203-13. [PMID: 26749199 DOI: 10.1007/s00359-015-1065-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 12/28/2015] [Accepted: 12/29/2015] [Indexed: 11/27/2022]
Abstract
The red palm weevil (RPW) is a severe palm pest with high dispersal capability. Its visual sense allows it to navigate long distances and to discriminate among differently colored traps. We investigated the RPW compound eyes with anatomical and electrophysiological methods. The ommatidia are composed of eight photoreceptor cells in an open rhabdom arrangement with six peripheral and two central photoreceptors. The photoreceptor signals are relatively slow and noisy. The majority of recorded photoreceptors have broad spectral sensitivity with a peak in the green, at 536 nm. Three minor classes of photoreceptors have narrower spectral sensitivities with maxima in the UV (366 nm), green (520 nm) and yellow (564 nm). Sensitivity below 350 nm is very low due to filtering by the UV-absorbing cornea. The set of photoreceptors represents the retinal substrate for putative trichromatic color vision.
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Affiliation(s)
- Marko Ilić
- Department of Biology, Biotechnical faculty, University of Ljubljana, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Primož Pirih
- Laboratory of Neuroethology, Department of Evolutionary Studies of Biosystems, SOKENDAI (The Graduate University for Advanced Studies), Hayama, Kanagawa, 240-0115, Japan
| | - Gregor Belušič
- Department of Biology, Biotechnical faculty, University of Ljubljana, Večna pot 111, 1000, Ljubljana, Slovenia.
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25
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Guarino S, Colazza S, Peri E, Bue PL, Germanà MP, Kuznetsova T, Gindin G, Soroker V. Behaviour-modifying compounds for management of the red palm weevil (Rhynchophorus ferrugineus Oliver). PEST MANAGEMENT SCIENCE 2015; 71:1605-1610. [PMID: 25523649 DOI: 10.1002/ps.3966] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 12/13/2014] [Accepted: 12/13/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND Populations of red palm weevil (RPW), a severe pest of palms in Mediterranean countries, might be limited by semiochemical-based behaviour-disrupting methods. We evaluated the effects of electroantennogram (EAG)-active plant volatiles on the behaviour of RPWs from Italy and Israel. In field experiments, α-pinene, citronellol, geraniol, citral and 1-octen-3-ol were tested for their ability to disrupt attraction to pheromone-kairomone and molasses baited traps. Those that were found to be disruptive in the field were evaluated in a laboratory choice bioassay in individual cages for their effect on RPW female feeding and oviposition. RESULTS Field experiments showed reduced captures in traps loaded with geraniol (-57%), 1-octen-3-ol (-50%) or α-pinene (-45% to -60%); captures in citronellol- or citral-loaded traps did not differ from control. In laboratory experiments, 1-octen-3-ol was the most potent behaviour-modifying compound, eliciting a significant/marginally significant reduction in both feeding and oviposition at the lowest dose tested in both populations. Geraniol generally caused a strong reduction in feeding and oviposition at each dose tested (Israel), or at the highest dose (Italy). α-Pinene caused some reduction in feeding activity at the highest dose tested (Italy), but no consistent repellency (Israel). CONCLUSION Field and laboratory data suggest the potential for the use of 1-octen-3-ol, geraniol and α-pinene for RPW population management.
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Affiliation(s)
- Salvatore Guarino
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
- Istituto per la Protezione Sostenibile delle Piante (IPSP), Sesto Fiorentino, Florence, Italy
| | - Stefano Colazza
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | - Ezio Peri
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | - Paolo Lo Bue
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | - Maria Pia Germanà
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, Palermo, Italy
| | | | - Galina Gindin
- Volcani Centre, Agricultural Research Organisation, Bet Dagan, Israel
| | - Victoria Soroker
- Volcani Centre, Agricultural Research Organisation, Bet Dagan, Israel
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26
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Ruschioni S, Riolo P, Verdolini E, Peri E, Guarino S, Colazza S, Romani R, Isidoro N. Fine Structure of Antennal Sensilla of Paysandisia archon and Electrophysiological Responses to Volatile Compounds Associated with Host Palms. PLoS One 2015; 10:e0124607. [PMID: 25905711 PMCID: PMC4408066 DOI: 10.1371/journal.pone.0124607] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 03/03/2015] [Indexed: 11/30/2022] Open
Abstract
Paysandisia archon (Lepidoptera: Castniidae) is a serious pest of palm trees. A comprehensive knowledge of the insect olfactory system is essential for the development of efficient semiochemical-based control methods. The olfactory sensilla are located particularly on the antennae, and these can detect plant volatiles that provide important cues for the insects in the search for their host plants. To date, the fine structure of P. archon antennal sensilla studies and their role in host-plant perception have not been investigated in great detail. Using light microscopy and scanning and transmission electron microscopy, the antennae of both sexes of P. archon are described here in detail, according to the different types, quantities and distributions of the sensilla. Six types of sensilla were identified. The most widespread are sensilla trichoidea, sensilla basiconica and sensilla auricilica, which are associated with olfactory function. These have cuticular shafts characterised by numerous pores, and they are innervated by two or three sensory neurons. Sensilla coeloconica, sensilla chaetica and sensilla ampullacea are associated with olfactory or olfactory-thermoreception, mechano-gustatory, and thermo-hygroreception functions, respectively. Moreover, the role of P. archon antennae in locating of the host palms was evaluated using electroantennograms, to monitor responses to ester and terpene compounds previously identified as volatiles of damaged/fermenting palm tissues. P. archon showed responses to all of the synthetic chemicals tested, with greater responses in the females, providing a significant sex*dose effect. Among the compounds tested, ethyl isobutyrate elicited the strongest antenna responses. The fine structure of the cuticular and cellular components of the P. archon antenna sensory equipment is described for the first time. The results of this study form an important starting point and complement physiological and behavioural studies, to provide valuable information of practical importance for the development of efficient semiochemical-based control methods.
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Affiliation(s)
- Sara Ruschioni
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Paola Riolo
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy
- * E-mail:
| | - Elisa Verdolini
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - Ezio Peri
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, 90128 Palermo, Italy
| | - Salvatore Guarino
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, 90128 Palermo, Italy
- Istituto per la Protezione Sostenibile delle Piante-CNR, 50019 Sesto Fiorentino (FI), Italy
| | - Stefano Colazza
- Dipartimento di Scienze Agrarie e Forestali, Università degli Studi di Palermo, 90128 Palermo, Italy
| | - Roberto Romani
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università degli Studi di Perugia, 06121 Perugia, Italy
| | - Nunzio Isidoro
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, 60131 Ancona, Italy
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Identification of the Aggregation Pheromone of the Date Palm Root Borer Oryctes agamemnon. J Chem Ecol 2015; 41:446-57. [PMID: 25900246 DOI: 10.1007/s10886-015-0577-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 03/09/2015] [Accepted: 03/31/2015] [Indexed: 10/23/2022]
Abstract
Laboratory and field investigations aimed to characterize the chemical communication system of the date palm pest Oryctes agamemnon. Live males or extracts of male effluvia attracted conspecifics in an olfactometer, whereas female effluvia attracted only males. Volatile emissions from adults feeding on sugarcane were sampled and analysed by gas chromatography (GC) and GC/mass spectrometry (GC/MS). Males emitted a blend of 1) ethyl 4-methyloctanoate, 2) 4-methyloctanoic acid, 3) 4-methyloctanyl acetate, and 4) 4-methyloctanol in variable ratio. Single sensillum recordings demonstrated that compounds 1, 2, and 3 are detected by specific olfactory receptor neurons. Olfactometric experiments showed that compounds 1 and 3 attract both sexes of O. agamemnon, but females are more attracted by compound 1 and males by compound 3. Compound 2 was more attractive for females, especially virgin ones. Field experiments confirmed that compound 1 and compound 2 attracted O. agamemnon of both sexes and showed synergy with palm odors. No clear activity of compound 3 was observed. A mix of compounds 1 and 2 with date palm core odor was significantly the most attractive, and captured more females than males. The male aggregation pheromone of O. agamemnon appears therefore to be based on a mixture in contrast to previously identified Oryctes pheromones. Our results provide the basis for developing mass trapping to control this pest.
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