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J Chem Ecol

Title:		Sex-specific responses to aggregation pheromone Regulation of colonization density in the bark beetleIps paraconfusus
Author(s):		Byers JA;
Address:		"Department of Animal Ecology, University of Lund, S-22362, Lund, Sweden"
Journal Title:		J Chem Ecol
Year:		1983
Volume:		9
Issue:		1
Page Number:		129 - 142
DOI:		10.1007/BF00987777
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		About equal numbers of each sex of flyingIps paraconfusus Lanier (Coleoptera: Scolytidae) were caught on traps several meters downwind from a male-infested ponderosa pine log releasing pheromone while a significantly different ratio of over four times more females than males were caught at the pheromone source. Females oriented directly to higher concentrations of colonizing males in a felled tree while males tended to land on the host in adjacent uncolonized areas. The attraction response of walking males to a 1ratio1ratio1 mixture of the synthetic pheromone components ispenol-ipsdienol-cis-verbenol was reduced progressively at higher concentrations while female response continued to increase. These responses may function to regulate density of colonization and limit intraspecific competition
Keywords:
Notes:		"PubMed-not-MEDLINEByers, J A eng 1983/01/01 J Chem Ecol. 1983 Jan; 9(1):129-42. doi: 10.1007/BF00987777"