Effects of insect growth regulators on vine weevil (Otiorhynchus sulcatus) egg production and viability

摘要

Vine weevil (Otiorhynchus sulcatus) adults were exposed to IGR insecticides with three different modes of action: the chitin synthesis inhibitors (CSI) lufenuron and diflubenzuron, the ecdysone agonists tebufenozide and an experimental compound A, and the juvenile hormone analogue fenoxycarb, by leaf feeding bioassays in the laboratory. The CSIs reduced egg production and viability, especially lufenuron, but the juvenile hormone analogues and ecdysone agonists had no effect. Evaluation of a wider range of benzoylurea CSI insecticides in the laboratory and field is recommended with the aim of developing a new approach to control of the pest.