Sex Pheromones of Noctuid Moths. VI. Absence of Behavioral Specificity for the Female Sex Pheromones of Trichoplusia ni Versus Autographa californica, and Heliothis zea Versus H. virescens (Lepidoptera: Noctuidae)12
- 1 September 1965
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 58 (5) , 600-603
- https://doi.org/10.1093/aesa/58.5.600
Abstract
Quantitative determinations of the response thresholds of male moths exposed to ether extracts of female abdomen tips provided evidence for the behaviorally similar nature of female sex pheromones between Trichoplusia ni (Hübner) and Autographa californica (Speyer) and between Heliothis sea (Boddie) and H. virescens (F.). Males of A. californica attempted to mate with females of T. ni, without successful coupling occurring. Certain males of H. zea that succeeded in coupling with females of H. virescens could neither transfer spermatophores nor separate from the females. No successful interspecific transfer of a spermatophore occurred among any of the species, indicating the existence of morphological or physiological reproductive isolating mechanisms other than the female sex pheromone.Keywords
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