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J Chem Ecol

Title:		"Aggregation pheromone of Australian SAP beetle,Carpophilus davidsoni (Coleoptera: Nitidulidae)"
Author(s):		Bartelt RJ; James DG;
Address:		"Agricultural Research Service, US Department of Agriculture, Bioactive Constituents Unit National Center for Agricultural Utilization Research, 1815 N. University St., 61604, Peoria, Illinois"
Journal Title:		J Chem Ecol
Year:		1994
Volume:		20
Issue:		12
Page Number:		3207 - 3219
DOI:		10.1007/BF02033721
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		"A male-produced aggregation pheromone was identified for the Australian sap beetle,Carpophilus davidsoni Dobson (Coleoptera: Nitidulidae), by bioassay-guided fractionation of volatiles collected from feeding beetles. The most abundant components were: (2E,4E,6E)-5-ethyl-3-methyl-2,4,6-nonatriene, (3E,5E,7E)-6-ethyl-4-methyl-3,5,7-decatriene, (2E,4E,6E,8E)-3,5,7-trimethyl-2,4,6,8-undecatetraene, and (2E,4E,6E,8E)-7-ethyl-3,5-dimethyl-2,4,6,8-undecatetraene. The relative abundance of these components in collections from individual males feeding on artificial diet was 100:7:9:31, respectively. Pheromone production began within several days after males were placed onto diet medium and continued for at least 20 weeks. Peak production was >3 microg total pheromone per male per day. Males in groups of 50-60 emitted less pheromone (the peak level was 0.09 microg per beetle per day), and the emissions from groups contained relatively little tetraene (proportions of the components listed above were 100:7:2:7, respectively). Three additional trienes and one additional tetraene were identified in minor amounts; the entire eight-component male-specific blend is qualitatively identical and quantitatively similar to that of the North American sibling species,C. freemani Dobson. A synthetic blend of the four major components on rubber septa, prepared to emit in the same proportions as from individual males, was highly attractive in the field when synergized with fermenting whole-wheat bread dough. Cross-attraction was observed in the field involving the pheromones ofC. davidsoni, C. hemipterus (L.), andC. mutilatus Erichson. Potential uses of the pheromones in pest management are discussed"
Keywords:
Notes:		"PubMed-not-MEDLINEBartelt, R J James, D G eng 1994/12/01 J Chem Ecol. 1994 Dec; 20(12):3207-19. doi: 10.1007/BF02033721"