Identiffcation and activity evaluation of the sex pheromone of Argyrogramma agnata Staudinger in China
文献类型: 外文期刊
作者: Haoyun Ma; Mingan Wang; Ming Liu; Jun Ning; Xiangdong Mei
关键词: Argyrogramma agnata Staudinger; integrated pest management; pheromone polymorphism; sex pheromone; trap screening
期刊名称: New Plant Protection
ISSN:
年卷期: 2025 年
页码:
收录情况: 无来源刊(2025版)
摘要: Studying the polymorphism of insect pheromones can inform effective local pest management strategies. The sex pheromones of Argyrogramma agnata Staudinger, a signiffcant polyphagous migratory pest, have not been previously reported. In this study, two components, Z7‐12:Ac and Z9‐12:Ac, were identiffed from the gland extracts of A. agnata females using gas chromatography‐ electroantennographic detection and gas chromatography coupled with time‐ of‐ffight mass spectrometry. Males exhibited a strong electroantennographic response to both components with a clear dose–response relationship. Field trials demonstrated that males were effectively attracted to an 8:3 ratio of Z7‐ 12:Ac and Z9‐12:Ac at a dose of 1100 μg. Lures equipped with box traps captured signiffcantly more males than those with uni traps, delta traps, or wing traps. These ffndings elucidate the sex pheromone components of the A. agnata population and optimize their ffeld application, providing valuable guidance for the integrated pest management of A. agnata in China.
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