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J Chem Ecol

Title:		"Changes of sex pheromone communication systems associated with tebufenozide and abamectin resistance in diamondback moth, Plutella xylostella (L.)"
Author(s):		Xu Z; Cao GC; Dong SL;
Address:		"Entomology Department/Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China"
Journal Title:		J Chem Ecol
Year:		2010
Volume:		20100421
Issue:		5
Page Number:		526 - 534
DOI:		10.1007/s10886-010-9785-3
ISSN/ISBN:		1573-1561 (Electronic) 0098-0331 (Linking)
Abstract:		"Many insect pests have evolved resistance to insecticides. Along with this evolution, the sex pheromone communication system of insects also may change, and subsequently reproductive isolation may occur between resistant and susceptible populations. In this study of the diamondback moth, we found that resistant females (especially Abamectin resistant females) produced less sex pheromone and displayed a lower level of calling behavior. Resistant males showed higher EAG responsiveness to the sex pheromone mixture of females, and responded to a broader range of ratios between the two major components compared to the responses of susceptible moths. In addition, wind tunnel experiments indicated that changes associated with insecticide resistance in the Abamectin resistant strain (Aba-R) significantly reduced female attractiveness to susceptible males. Furthermore, mating choice experiments confirmed that non-random mating occurred between the two different strains. Aba-R females with an abnormal pheromone production and blend ratio exhibited significantly lower mating percentages with males from either their own strain or other strains, which corroborates the results obtained by the wind tunnel experiments. The implications of this non-random mating for insect speciation and insecticide resistance management are discussed"
Keywords:		"Animal Communication Animals Chromatography, Gas Female Hydrazines/*toxicity Insecticide Resistance Insecticides/*toxicity Ivermectin/*analogs & derivatives/toxicity Male Moths/*physiology Sex Attractants/*analysis/chemistry/pharmacology Sexual Behavior, ;"
Notes:		"MedlineXu, Zhen Cao, Guang-Chun Dong, Shuang-Lin eng Research Support, Non-U.S. Gov't 2010/04/22 J Chem Ecol. 2010 May; 36(5):526-34. doi: 10.1007/s10886-010-9785-3. Epub 2010 Apr 21"