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J Comp Physiol A Neuroethol Sens Neural Behav Physiol

Title:		"Behavioral and electrophysiological responses of Helicoverpa assulta, H. armigera (Lepidoptera: Noctuidae), their F1 hybrids and backcross progenies to sex pheromone component blends"
Author(s):		Zhao XC; Yan YH; Wang CZ;
Address:		"State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, The Chinese Academy of Sciences, Beijing 100080, China"
Journal Title:		J Comp Physiol A Neuroethol Sens Neural Behav Physiol
Year:		2006
Volume:		20060531
Issue:		10
Page Number:		1037 - 1047
DOI:		10.1007/s00359-006-0141-6
ISSN/ISBN:		0340-7594 (Print) 0340-7594 (Linking)
Abstract:		"Two sibling species, Helicoverpa assulta and Helicoverpa armigera both use (Z)-9-hexadecenal and (Z)-11-hexadecenal as their sex pheromone components but in almost reversed ratios, 93:7 and 3:97, respectively. H. assulta and H. armigera males performed upwind flight in response to the H. assulta sex pheromone blend (93:7). H. armigera responded strongly to the H. armigera blend (3:97), whereas H. assulta males remained inactive upon exposure to this blend. Both species gave clear dose-dependent electrophysiological responses to (Z)-11-hexadecenal. However, (Z)-9-hexadecenal evoked strong dose-dependent electrophysiological responses in H. assulta males but not in H. armigera. The two male F1 hybrids exhibited similar behavioral responses to two sex pheromone blends and electrophysiological responses to two pheromone components as H. armigera males. This indicated that H. armigera genes appear dominant in determining the behavioral response and electrophysiological responses. Behavioral and electrophysiological responses of backcrosses of male F1 hybrids (H. armigera female x H. assulta male) with female H. assulta and H. armigera were close to that of H. assulta and H. armigera, respectively. However, backcrosses of female F1 hybrids (H. assulta female x H. armigera male) with male H. assulta and H. armigera showed reduced behavioral responses but normal electrophysiological responses compared to males of the respective parental line"
Keywords:		"Aldehydes/pharmacology Animals Behavior, Animal/*drug effects Chi-Square Distribution Crosses, Genetic Dose-Response Relationship, Drug Drug Combinations Electrophysiology/methods Female Hybridization, Genetic Insect Proteins/*pharmacology Moths/*physiolo;"
Notes:		"MedlineZhao, Xin-Cheng Yan, Yun-Hua Wang, Chen-Zhu eng Comparative Study Research Support, Non-U.S. Gov't Germany 2006/06/01 J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2006 Oct; 192(10):1037-47. doi: 10.1007/s00359-006-0141-6. Epub 2006 May 31"