Impact of direct and indirect ingestion of six systemic pesticides on the parasitoid Anagyrus vladimiri
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Fecha de publicación
2024-05-14ISSN
0261-2194
Resumen
Anagyrus vladimiri (Hymenoptera: Encyrtidae) is the main parasitoid of Planococcus citri (Hemiptera: Pseudococcidae), which is one of the most important pests of citrus crops in the Mediterranean Basin. Pesticide residue on trees and in the nectar of wildflowers growing in citrus orchards might cause side effects in beneficial insects. In the present study, we assessed the effects of six systemic pesticides (acetamiprid, dimethoate, cyantraniliprole, flupyradifurone, spirotetramat and sulfoxaflor) on the survival and progeny of A. vladimiri. Anagyrus vladimiri fed on the pesticide solutions and on the nectar of Fagopyrum esculentum Moench plants that had been watered with a solution containing these pesticides. Acetamiprid, dimethoate, flupyradifurone and sulfoxaflor increased female mortality more than the control (water) after 6h; after A. vladimiri consumed these pesticides, female mortality ranged from 62% to 73%. Cyantraniliprole had no immediate toxic effect on parasitoid survival but caused mortality after 15 days. All tested pesticides except flupyradifurone and spirotetramat reduced parasitoid progeny. After six days of feeding on F. esculentum nectar of plants watered with a pesticide solution, significantly increased female mortality was observed with dimethoate (96%), spirotetramat (80%), acetamiprid (62%), cyantraniliprole (62%) and sulfoxaflor (50%). Progeny was reduced in females that fed on plants treated with spirotetramat and dimethoate. These results demonstrate that some of these insecticides can have lethal or sublethal effects on A. vladimiri by both routes of exposure, via direct or indirect pesticide consumption through the nectar of treated plants.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
632 - Enfermedades y protección de las plantas
Páginas
25
Publicado por
Elsevier
Publicado en
Crop Protection
Citación
Molina, Paula, José Miguel Campos-Rivela, Nuria Agustí, and María Teresa Martínez-Ferrer. 2024. “Impact of Direct and Indirect Ingestion of Six Systemic Pesticides on the Parasitoid Anagyrus Vladimiri.” Crop Protection 182: 106746. https://doi.org/10.1016/j.cropro.2024.106746.
Número del acuerdo de la subvención
INIA/Programa Estatal de I+D+I orientada a los retos de la sociedad/E-RTA2015-00005-C06-03/ES/Métodos de control y contención de Trioza Erytreae, vector del huanglongbing de los cítricos/
Program
Protecció Vegetal Sostenible
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