The Asian honeybee,
Apis cerana, is one of the major native honeybee species in Asia. The effects of insecticides on honeybees are currently a major concern worldwide, making it important to evaluate the impact of new insecticides on non-targeted beneficial species. This study determined the acute contact toxicity of ethiprole, acephate, and flubendiamide in Japanese
A. cerana (
A. c. japonica). Based on 48-h contact tests, the LD
50 of ethiprole and acephate on
A. cerana was 0.0036 and 0.11μg/bee, respectively, while the LD
50 of flubendiamide could not be determined from the concentrations tested (
i.e. up to 100.0μg/bee). These results provide evidence regarding the susceptibility of
A. cerana under laboratory conditions to insecticides commonly used.
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