Abstract

Contact toxicities of five insecticides viz. malathion, demeton-s-methyl, cypermethrin, deltamethrin and fenvalerate applied to foragers of honeybee Apis mellifera (L.) and Apis cerana (F.) were established. Each insecticide was evaluated at three levels of concentrations for contact toxicity under laboratory conditions. The mortality of honeybees increased with increase in concentration and exposure time. No quick knockdown effect was observed in all insecticides tested. The order of toxicity of different insecticides after 8h of treatment was in the order: malathion > cypermethrin > demeton-s-methyl > fenvalerate > deltamethrin for A. mellifera and malathion > demeton-s-methyl > cypermethrin > fenvalerate > deltamethrin for A. cerana. All the insecticides were highly toxic to honeybees.

주제어

#Apis cerana   #Apis mellifera   #contact toxicity   #insecticides  

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이 논문을 인용한 문헌 (2)

1. Ahn, Ki-Su ; Oh, Mann-Gyun ; Ahn, Hee-Geun ; Yoon, Chang-Mann ; Kim, Gil-Hah 2008. "Evaluation of Toxicity of Pesticides against Honeybee (Apis mellitera) and Bumblebee (Bombus terrestris)" 농약과학회지 = The Korean journal of pesticide science, 12(4): 382~390  원문보기 상세보기
2. Hwang, In-Cheon ; Cho, Tae-Kyung ; Youn, Young-Nam 2010. "Evaluation of Toxicity of Several Environmental Friendly Agricultural Materials on Honeybee (Apis mellifera) and Asian Multicolored Ladybird Beetle (Harmonia axyridis)" 한국응용곤충학회지 = Korean journal of applied entomology, 49(3): 227~232  원문보기 상세보기