Abstract

Pollen beetle (Meligethes aeneus, Coleoptera: Nitidulidae) is the most important pest of oilseed rape in Europe, causing great yield losses. Due to the heavy use of pyrethroid insecticides in controlling Meligethes, a widespread build-up of resistance to pyrethroid active substances has arisen, reported in many countries where the pest occurs. Mutations in the voltage-sensitive sodium channels (VSSC), which constitute the main targets for the pharmacological action, as well as increased oxidative metabolism of pyrethroid active substances in resistant populations are considered, as they are the main molecular mechanisms of the development of pyrethroid resistance.

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