« Previous AbstractChemical communication in tilapia: a comparison of Oreochromis mossambicus with O. niloticus    Next Abstract"Isolation and extreme sex-specific expression of cytochrome P450 genes in the bark beetle, Ips paraconfusus, following feeding on the phloem of host ponderosa pine, Pinus ponderosa" »

J Chem Ecol

Title:		"Angiosperm bark volatiles disrupt response of Douglas-fir beetle, Dendroctonus pseudotsugae, to attractant-baited traps"
Author(s):		Huber DP; Borden JH;
Address:		"Centre for Environmental Biology, Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada, V5A 1S6"
Journal Title:		J Chem Ecol
Year:		2001
Volume:		27
Issue:		2
Page Number:		217 - 233
DOI:		10.1023/a:1005668019434
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		"Antennally active, bark-derived, angiosperm volatiles were tested singly and in groups for their ability to disrupt the response of the Douglas-fir beetle (DFB), Dendroctonus pseudotsugae, to attractant-baited multiple-funnel traps. One compound, conophthorin, was active alone in reducing the response of beetles to the baited traps. Further experiments showed disruptive activity in two aliphatic green-leaf alcohols [1-hexanol and (Z)-3-hexen-1-ol], as well as guaiacol and benzyl alcohol, and three aliphatic aldehydes [nonanal, hexanal, and (E)-2-hexenal] but not in two aromatic aldehydes (benzaldehyde and salicylaldehyde). Every binary combination that included conophthorin or any two of the other groups, except aromatic aldehydes, significantly reduced the response of beetles to baited traps. Various ternary mixtures and the complete mixture of all the groups were generally the most effective treatments. These results provide evidence that DFBs recognize and avoid nonhosts while flying rather than landing on candidate hosts and testing them while in contact with the tree. Nonhost angiosperm bark volatiles may have practical utility on their own or in combination with the antiaggregation pheromone 3-methylcyclohex-3-en-1-one (MCH) to protect single trees, logs, or stands from attack by the DFB"
Keywords:		Alcohols/pharmacology Aldehydes/pharmacology Animals Coleoptera/drug effects/*physiology Feeding Behavior/drug effects/physiology Female Insect Control/methods Magnoliopsida/*chemistry Male Pheromones/*pharmacology Plant Bark/chemistry Spiro Compounds/pha;
Notes:		"MedlineHuber, D P Borden, J H eng Research Support, Non-U.S. Gov't 2004/02/11 J Chem Ecol. 2001 Feb; 27(2):217-33. doi: 10.1023/a:1005668019434"