Ovicidal action of fenoxycarb on a predator, Chrysoperla carnea (Neuroptera: Chrysopidae)

概要

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The ovicidal action of fenoxycarb was tested on eggs of 2 different ages of Chrysoperla carnea Stephens. Embryonic eggs treated within 24h of oviposition were most sensitive to fenoxycarb. Immersion of eggs in a "field dose" solution (0.075mg/ml) resulted in an embryo mortality of greater than 50% and a concentration of 0.15mg/ml resulted in a mortality of greater than 80%. A 20-min prolonged immersion at the field dose solution resulted in nearly 100% mortality. Treatment of eggs resulted in hatching larvae that had anomalous mortality. Larvae that hatched from treated eggs had abnormal pupation and metamorphosis. In conclusion, the non-neurotoxic carbamate fenoxycarb, a selective insect growth regulator, was toxic at a low dose to C.carnea, a relevant pest predator.
日本応用動物昆虫学会の論文
2000-05-25