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J Econ Entomol

Title:		Variation in enantiospecific attraction of Ips avulsus (Coleoptera: Curculionidae) to the pheromone ipsdienol in Georgia
Author(s):		Miller DR; Allison JD;
Address:		"USDA Forest Service, Southern Research Station, 320 Green St., Athens, GA 30602, USA. dmiller03@fs.fed.us"
Journal Title:		J Econ Entomol
Year:		2011
Volume:		104
Issue:		3
Page Number:		895 - 900
DOI:		10.1603/ec10405
ISSN/ISBN:		0022-0493 (Print) 0022-0493 (Linking)
Abstract:		"In 2006, we tested the responses of the small southern pine engraver, Ips avulsus (Eichhoff) (Coleoptera: Curculionidae), to multiple-funnel traps baited with (+)-, (-)-, and (+/-)-ipsdienol. Three experiments were conducted in Georgia with all traps co-baited with one of the following lure combinations, respectively: experiment 1, ipsenol; experiment 2, lanierone and (-)-alpha-pinene; and experiment 3, ipsenol, lanierone, and (-)-alpha-pinene. Ipsdienol and lanierone are aggregation pheromones used by I. avulsus, whereas ipsenol is an aggregation pheromone used by the eastern fivespined ips, Ips grandicollis (Eichhoff), a sympatric species also breeding in pines. In all experiments, the highest catches of I. avulsus were obtained in traps baited with (+/-)-ipsdienol. The relative attractiveness of (+)-ipsdienol varied across the three experiments. When traps were co-baited with ipsenol, lanierone, and (-)-alpha-pinene, catches of I. avulsus in traps baited with (+)-ipsdienol were high and no different from those in traps baited with (+/-)-ipsdienol. When traps were co-baited with lanierone and (-)-alpha-pinene, catches in traps baited with (+)-ipsdienol were lower than those in traps baited with (+/-)-ipsdienol by approximately 40%, whereas catches were reduced by approximately 95% when traps were co-baited with ipsenol alone. We hypothesize that the observed variation in enantiospecific responses of I. avulsus to ipsdienol may be explained by variation in semiochemical context (i.e., different co-baits among the experiments) or seasonal variation"
Keywords:		"Acyclic Monoterpenes Animals Behavior, Animal Georgia Monoterpenes/*pharmacology Octanols/*pharmacology *Odorants Pheromones/*pharmacology Stereoisomerism Weevils/*drug effects;"
Notes:		"MedlineMiller, Daniel R Allison, Jeremy D eng Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. England 2011/07/09 J Econ Entomol. 2011 Jun; 104(3):895-900. doi: 10.1603/ec10405"