Abstract
Chemical analysis of the volatiles released by sexual females (oviparae) of the peach aphid, Tuberocephalus momonis, identified two ubiquitous aphid sex pheromone components, (4aS,7S,7aR)-nepetalactone and (4aS,7S,7aR)-nepetalactol, in a ratio of 4 : 1. In field trials in Korea, employing traps releasing the two compounds in differing ratios, the most effective sex pheromone blend for trapping male T. momonis was found to be 85 : 15 nepetalactone–nepetalactol. Surprisingly, large numbers of presexual females (gynoparae) of this species were also collected when the catching rates were highest. In addition to T. momonis, over 20 other species of aphids were caught, particularly Myzus lythri, M. dycei, Lachnus tropicalis and M. persicae, in descending order of abundance.
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Boo, K.S., Choi, M.Y., Chung, I.B. et al. Sex Pheromone of the Peach Aphid, Tuberocephalus momonis, and Optimal Blends for Trapping Males and Females in the Field. J Chem Ecol 26, 601–609 (2000). https://doi.org/10.1023/A:1005415919226
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DOI: https://doi.org/10.1023/A:1005415919226