Molecular Mechanisms of Insecticide Resistance

A special issue of Insects (ISSN 2075-4450). This special issue belongs to the section "Insect Pest and Vector Management".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 658

Special Issue Editor


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Guest Editor
Department of Biological and Medical Sciences, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
Interests: Cys-loop ligand-gated ion channels; insecticide targets; insecticide resistance; ion channel evolution

Special Issue Information

Dear Colleagues,

We are still heavily dependent on the use of pesticides to control insect pests. However, insects surviving exposure to these insecticides is a severe issue, threatening to undermine, for example, our efforts to control vector-borne diseases and protect crops. Knowing how insecticide resistance arises can help us detect and monitor resistance and inform the development of improved/novel tools for preventing pests already resistant to currently used insecticides. This Special Issue aims to provide and bring together up-to-date knowledge of the molecular mechanisms underlying insecticide resistance, broadly categorized into behavioural, metabolic, physical, and target-site.

Dr. Andrew K. Jones
Guest Editor

Manuscript Submission Information

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Keywords

  • insecticide resistance
  • metabolic resistance
  • behavioural resistance
  • target-site resistance
  • physical resistance
  • molecular mechanism
  • insect pest

Published Papers (1 paper)

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Research

13 pages, 761 KiB  
Article
Insecticide Susceptibilities and Enzyme Activities of Four Stink Bug Populations in Mississippi, USA
by Yuzhe Du, Shane Scheibener, Yu-Cheng Zhu, K. Clint Allen and Gadi V. P. Reddy
Insects 2024, 15(4), 265; https://doi.org/10.3390/insects15040265 - 12 Apr 2024
Viewed by 375
Abstract
In Mississippi, the Pentatomidae complex infesting soybean is primarily composed of Euschistus servus, Nezara viridula, Chinavia hilaris, and Piezodorus guildinii. This study employed spray bioassays to evaluate the susceptibilities of these stink bugs to seven commonly used formulated insecticides: [...] Read more.
In Mississippi, the Pentatomidae complex infesting soybean is primarily composed of Euschistus servus, Nezara viridula, Chinavia hilaris, and Piezodorus guildinii. This study employed spray bioassays to evaluate the susceptibilities of these stink bugs to seven commonly used formulated insecticides: oxamyl, acephate, bifenthrin, λ-cyhalothrin, imidacloprid, thiamethoxam, and sulfoxaflor. Stinks bugs were collected from soybeans in Leland, MS, USA during 2022 and 2023, as well as from wild host plants in Clarksdale, MS. There was no significant difference in the susceptibility of C. hilaris to seven insecticides between two years, whereas P. guildinii showed slightly increased susceptibility to neonicotinoids in 2023. Among all four stink bug species, susceptibility in 2022 was ranked as P. guildiniiC. hilarisN. viridula, while in 2023, it was ranked as P. guildiniiC. hilarisE. Servus. Additionally, populations of E. servus and P. guildinii collected from Clarksdale exhibited high tolerance to pyrethroids and neonicotinoids. Moreover, populations of E. servus and P. guildinii from SIMRU-2022 and Clarksdale-2023 showed elevated esterase and cytochrome P450 activity, respectively. These findings from spray bioassays and enzyme activity analyses provide a baseline for monitoring insecticide resistance in Pentatomidae and can guide insecticide resistance management strategies for Mississippi soybean. Full article
(This article belongs to the Special Issue Molecular Mechanisms of Insecticide Resistance)
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