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Kavallieratos NG, Boukouvala MC, Pappa APA, Canale A, Benelli G. Being exposed to low concentrations of pirimiphos-methyl and chlorfenapyr has detrimental effects on the mobility of Trogoderma granarium. PEST MANAGEMENT SCIENCE 2023; 79:5230-5236. [PMID: 37592757 DOI: 10.1002/ps.7724] [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: 05/20/2023] [Revised: 07/27/2023] [Accepted: 08/18/2023] [Indexed: 08/19/2023]
Abstract
BACKGROUND Sublethal effects of insecticides may negatively affect several biological and behavioral traits of insects. The lethal effects of pirimiphos-methyl and chlorfenapyr have been previously showed on Trogoderma granarium, but little knowledge is available about their sublethal effects at low concentrations on both sexes. Herein, the sublethal effects of pirimiphos-methyl and chlorfenapyr on the mobility of T. granarium males and females were investigated. RESULTS Lethal concentration (LC) values of pirimiphos-methyl and chlorfenapyr were lower for T. granarium females than males. LC values on males were LC10 = 0.000788 and 0.00139 mg active ingredient (a.i.) cm-2 , LC30 = 0.00350 and 0.00535 mg a.i. cm-2 , and LC50 = 0.00986 and 0.0136 mg a.i. cm-2 for pirimiphos-methyl and chlorfenapyr respectively. LC on females were LC10 = 0.000704 and 0.00110 mg a.i. cm-2 , LC30 = 0.00323 and 0.00428 mg a.i. cm-2 , and LC50 = 0.00925 and 0.0110 mg a.i. cm-2 for pirimiphos-methyl and chlorfenapyr respectively. The walking duration of beetles exposed to LC30 of pirimiphos-methyl was significantly lower than the individuals exposed to LC10 and LC30 of both insecticides and control ones. Pirimiphos-methyl LC30 -exposed males remained more time on their back (101.7 s) than females (46.9 s), while the latter stayed immobile longer than males (381.7 s versus 371.9 s). The highest speed was recorded for control beetles (14.17 mm s-1 females vs. 12.44 mm s-1 males), while the lowest speed was observed in pirimiphos-methyl LC30 -treated males (8.36 mm s-1 ) and females (9.66 mm s-1 ). CONCLUSIONS Overall, males and females exposed to low concentrations of pirimiphos-methyl and chlorfenapyr showed reduced motility. This knowledge can be exploited further to unlock behavioral effects of insecticides for effective pest management programs in warehouses. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Nickolas G Kavallieratos
- Laboratory of Agricultural Zoology and Entomology, Department of Crop Science, Agricultural University of Athens, Athens, Attica, Greece
| | - Maria C Boukouvala
- Laboratory of Agricultural Zoology and Entomology, Department of Crop Science, Agricultural University of Athens, Athens, Attica, Greece
| | - Artemis Phoebe A Pappa
- Laboratory of Agricultural Zoology and Entomology, Department of Crop Science, Agricultural University of Athens, Athens, Attica, Greece
| | - Angelo Canale
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
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Zheng R, Zhao J, Ma L, Qie X, Yan X, Hao C. Behavioral, Electrophysiological, and Toxicological Responses of Plutella xylostella to Extracts from Angelica pubescens. INSECTS 2023; 14:613. [PMID: 37504619 PMCID: PMC10380822 DOI: 10.3390/insects14070613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/25/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023]
Abstract
Plutella xylostella L. is a destructive pest affecting cruciferous vegetables, causing massive economic losses worldwide. Plant-based insecticides are considered promising insect control agents. The Angelica pubescens extract inhibited female oviposition, with an oviposition deterrence index (ODI) of 61.65% at 12.5 mg/mL. We aimed to identify the bioactive compounds in A. pubescens extract. The compounds from A. pubescens extract were analyzed using LC-MS techniques. The toxicity and behavioral responses of larvae and adults of P. xylostella to ten compounds were investigated. We found that the caryophyllene oxide and 3,4-dimethoxycinnamic acid inhibited female oviposition; the ODIs were 98.31% and 97.59% at 1.25 mg/mL, respectively. The A. pubescens extract, caryophyllene oxide, and 3,4-dimethoxycinnamic acid caused larval mortality, with LC50 values of 21.31, 4.56, and 5.52 mg/mL, respectively. The EAG response of females was higher than that of males under A. pubescens extract conditions, while the EAG response of males was higher than that of females in caryophyllene oxide and 3,4-dimethoxycinnamic acid conditions. The A. pubescens extract and caryophyllene oxide showed repellent activity against both female and male adults, while the 3,4-dimethoxycinnamic acid did not elicit any notable behavioral responses from P. xylostella adults. A. pubescens extract and caryophyllene oxide are potential insecticides, oviposition deterrents, and behavioral regulators against P. xylostella, and they could be potential candidates for the development of biological insecticides to control P. xylostella.
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Affiliation(s)
- Ruirui Zheng
- College of Plant Protection, Shanxi Agricultural University, Jinzhong 030800, China
| | - Jinyu Zhao
- College of Plant Protection, Shanxi Agricultural University, Jinzhong 030800, China
| | - Li Ma
- College of Plant Protection, Shanxi Agricultural University, Jinzhong 030800, China
| | - Xingtao Qie
- College of Plant Protection, Shanxi Agricultural University, Jinzhong 030800, China
| | - Xizhong Yan
- College of Plant Protection, Shanxi Agricultural University, Jinzhong 030800, China
| | - Chi Hao
- College of Plant Protection, Shanxi Agricultural University, Jinzhong 030800, China
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Azotobacter chroococcum inoculation under low drought stress condition improves Trachyspermum ammi seeds' essential oil bioactivity. BIOCHEM SYST ECOL 2022. [DOI: 10.1016/j.bse.2022.104537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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González MA, Bravo-Barriga D, Alarcón-Elbal PM, Álvarez-Calero JM, Quero C, Ferraguti M, López S. Development of Novel Management Tools for Phortica variegata (Diptera: Drosophilidae), Vector of the Oriental Eyeworm, Thelazia callipaeda (Spirurida: Thelaziidae), in Europe. JOURNAL OF MEDICAL ENTOMOLOGY 2022; 59:328-336. [PMID: 34748016 PMCID: PMC8755994 DOI: 10.1093/jme/tjab171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Lachryphagous males of Phortica variegata (Fallén, 1823) are gaining increasing attention in Europe, as they act as vectors of the nematode Thelazia callipaeda Railliet & Henry, 1910, causal agent of thelaziosis, an emergent zoonotic disease. Currently, there are no effective control strategies against the vector, and surveillance and monitoring rely on time-consuming and nonselective sampling methods. Our aim was to improve the knowledge about the population dynamics and the chemical ecology of the species. A total of 5,726 P. variegata flies (96.4% males and 3.6% females, mostly gravid) were collected in field experiments during June-September of 2020 in an oak forest in northern Spain. Our results indicate that 1) by means of sweep netting a significantly higher number of captures were found both around the collector´s body and in the air than at ground level; 2) a positive relationship was detected between the abundance of Phortica flies and temperature, with two significant peaks of abundance at 24 and 33°C; 3) the blend of red wine and cider vinegar was the most attractive bait; 4) yellow traps captured fewer flies compared to black and transparent traps; and 5) a significant reduction toward vinegar and wine was detected in presence of the phenolic monoterpenoid carvacrol. In addition, all the males (n = 690) analyzed by both molecular detection and dissection resulted negative for the presence of T. callipaeda larvae. Overall, these findings provide a better understanding of the vector in terms of monitoring and management strategies.
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Affiliation(s)
- M A González
- Institute of Tropical Medicine and Global Health (IMTSAG), Universidad Iberoamericana (UNIBE), Avenida Francia 129, 10203, Santo Domingo, Dominican Republic
| | - D Bravo-Barriga
- Universidad de Extremadura, Facultad de Veterinaria, Departamento de Sanidad Animal, Parasitología, Avda. Universidad s/n, 10003 Cáceres, España
| | - P M Alarcón-Elbal
- Laboratorio de Entomología, Universidad Agroforestal Fernando Arturo de Meriño (UAFAM), 41000, Jarabacoa, Dominican Republic
| | - J M Álvarez-Calero
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - C Quero
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - M Ferraguti
- Department of Theoretical and Computational Ecology (TCE), Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Science Park 904, 1098XH Amsterdam, The Netherlands
| | - S López
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
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Sousa RMOF, Cunha AC, Fernandes-Ferreira M. The potential of Apiaceae species as sources of singular phytochemicals and plant-based pesticides. PHYTOCHEMISTRY 2021; 187:112714. [PMID: 33845406 DOI: 10.1016/j.phytochem.2021.112714] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 01/31/2021] [Accepted: 02/21/2021] [Indexed: 05/23/2023]
Abstract
The Apiaceae Lindl. (=Umbelliferae Juss.), which includes several economical important vegetables, herbs, and spices, is one of the most numerous plant family. Umbelliferous crops (namely anise, fennel, carrot, coriander, parsley, etc.) are also valuable sources of botanical flavoring agents and fragrances. In addition, Apiaceae species yield a wide variety of distinctive specialized metabolites (i.e, volatile phenylpropanoids, furanocoumarins, sesquiterpene coumarins, polyacetylenes, and phthalides), some of them been described as uncommon natural phytochemicals exclusive of the family, which offers a great potential for bioprospection. Numerous studies have pointed out the outstanding biological activity of extracts and several classes of phytochemicals from Apiaceae species. Emphasis has been given to essential oils (EOs) and their constituents activities, most likely because this type of plant added value product benefits from a larger acceptance and application potential in integrated pest management (IPM) and integrated vector management (IVM) programs. Several species of the family offer a variety of unique compounds with great potential as biopesticidal and/or synergizing agents. Investigations covering their activity toward agricultural pests and phytopathogens have increased in the last years, nevertheless the interest remains strongly focus on arthropod species, predominantly those acting as vectors of human diseases. From our survey, it is patent the gap of knowledge concerning the potential molluscicidal properties of Apiaceae extracts/phytochemicals, as well as their herbicidal activities against invasive plant species. In this review, we propose to highlight the potential of Apiaceae species as suitable sources of bioactive phytochemicals with great relevance within the frame of plant-based pesticides R&D, and will discuss their applicability in real-world scenarios considering the recent developments regarding the design of stable formulations incorporating Apiaceae bioactive products. We expect that this review will encourage researchers to consider undervalued Apiaceae species as alternative sources of bioactive compounds and will give a contribute to the field by suggesting new research topics.
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Affiliation(s)
- Rose Marie O F Sousa
- Biology Department, Faculty of Science, University of Porto, Rua Do Campo Alegre S/n, 4169-007, Porto, Portugal; GreenUPorto - Sustainable Agrifood Production, Research Centre, Department of Biology, Faculty of Science, University of Porto, Rua Do Campo Alegre S/n, 4169-007, Porto, Portugal; CITAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal.
| | - Ana C Cunha
- CITAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal; Biology Department & CBMA - Centre of Molecular and Environmental Biology (CBMA), School of Sciences, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal; CEB - Centre of Biological Engineering, University of Minho, 4710-057, Braga, Portugal.
| | - Manuel Fernandes-Ferreira
- Biology Department, Faculty of Science, University of Porto, Rua Do Campo Alegre S/n, 4169-007, Porto, Portugal; GreenUPorto - Sustainable Agrifood Production, Research Centre, Department of Biology, Faculty of Science, University of Porto, Rua Do Campo Alegre S/n, 4169-007, Porto, Portugal; CITAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, Universidade de Trás-os-Montes e Alto Douro, 5000-801, Vila Real, Portugal; MAPPROD Lda, Rua António de Mariz, 22, 4715-279, Braga, Portugal.
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Development of cellulose nanocrystal-stabilized Pickering emulsions of massoia and nutmeg essential oils for the control of Aedes albopictus. Sci Rep 2021; 11:12038. [PMID: 34103581 PMCID: PMC8187374 DOI: 10.1038/s41598-021-91442-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/21/2021] [Indexed: 02/05/2023] Open
Abstract
We investigated the larvicidal potential of 10 plant essential oils (EOs) against the Asian tiger mosquito Aedes albopictus. Among the EOs, larvicidal activity against Ae. albopictus was strongest in those derived from massoia (Massoia aromatica) and nutmeg (Myristica fragrans). Larvicidal activities of massoia and nutmeg EOs against Ae. albopictus were 95.0% and 85.0% at 50 μg/mL, respectively. A total of 4 and 14 compounds were identified from massoia and nutmeg, respectively, and two massoia lactones, C10 and C12, were isolated from massoia EO. Among the identified compounds, benzyl salicylate, terpinolene, C12 massoia lactone, sabinene, benzyl benzoate, methyl eugenol, and C10 massoia lactone exhibited the strong larvicidal activity. Cellulose nanocrystal (CNC)-stabilized Pickering emulsions of massoia and nutmeg EOs were developed to overcome the insolubility of EOs in water. CNC/massoia and CNC/nutmeg emulsions were stable for at least 10 days, and larvicidal activities of CNC/massoia PE and CNC/nutmeg were higher than those of crude massoia and nutmeg EOs. This study presents a CNC-stabilized PE, a suitable formulation for EOs, as a potential larvicide against Ae. albopictus.
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López S, Domínguez A, Guerrero Á, Quero C. Inhibitory effect of thymol on pheromone-mediated attraction in two pest moth species. Sci Rep 2021; 11:1223. [PMID: 33441680 PMCID: PMC7807059 DOI: 10.1038/s41598-020-79550-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 12/07/2020] [Indexed: 11/26/2022] Open
Abstract
Plant essential oils are considered as important bio-sources for the development of natural and environmentally safe pest control tools due to their multiple modes of action on insects. In this paper we have evaluated the activity of commercially available thyme oil and its constituents thymol, carvacrol, and p-cymene, as potential disruptants of the pheromone-mediated communication in the major pest moths Spodoptera littoralis Boisduval (Lepidoptera: Noctuidae), and Grapholita molesta (Busck) (Lepidoptera: Tortricidae). In electroantennographic assays, the antennal response of males to thyme oil, thymol, and carvacrol was altered at high doses (103-104 µg), shifting the signal waveform into a biphasic negative-positive potential that caused a decay in the response. In wind tunnel assays, pheromone-mediated attraction of males of both species was interrupted in presence of thyme oil. Further trials demonstrated that thymol alone reduced the number of G. molesta and S. littoralis males landing on the pheromone source. This effect did not differ from that of thyme oil, although the latter provoked a significant reduction on downwind behavior steps in S. littoralis. Overall, our findings provide a preliminary basis for delving into the effect of thyme oil, and especially of its major constituent thymol, as potential mating disruptants of both species.
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Affiliation(s)
- Sergio López
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain.
| | - Aroa Domínguez
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Ángel Guerrero
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Carmen Quero
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain.
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