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用二氯甲烷、正己烷、丙酮、乙醚等有机溶剂提取大草蛉雌成虫香腺分泌物，观察对雄虫的生物活性，研究表明：向含有腺体提取物的滤纸吹风半分钟后，雄虫表现出交配前的行为，迅速朝滤纸一方移动，触角前后晃动，振翅，腹部不断弯曲，震颤。初步认为，香腺即为其性外激素腺体。
With dichloromethane, n-hexane, acetone, ether and other organic solvents extracted from the female adult Glycyrrhiza gland secretions, observed the biological activity of male mice, studies have shown that: to the gland extract containing filter paper after blowing half a minute, the male Pre-mating behavior showed rapid movement toward the filter paper side, tentacles before and after shaking, wings, abdomen constantly bending, tremor. Preliminary view, the gland is its sex hormone gland.