Abstract:
:Male-specific compounds, previously identified from Phyllotreta cruciferae and synthesized or isolated from natural sources, attracted both sexes of the beetle in field trials and therefore function as components of a male-produced aggregation pheromone. Six field experiments of 7 to 10 d duration each were conducted over 2 yr using modified boll weevil traps and two doses of pheromone. Treatments containing two doses of allyl isothiocyanate (AITC), a breakdown product of glucosinolates in Brassica napus L., a host plant of the beetles, were included in the study. A dose response was observed for both the pheromone components and AITC, and combinations of the pheromone and AITC generally attracted greater numbers of flea beetles than did either component itself. This increased attraction to a combination of beetle-produced compounds and host odors has not been previously demonstrated in halticine beetles and could help explain patterns of movement by P. cruciferae into field crops.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Soroka JJ,Bartelt RJ,Zilkowski BW,Cossé AAdoi
10.1007/s10886-005-5929-2keywords:
subject
Has Abstractpub_date
2005-08-01 00:00:00pages
1829-43issue
8eissn
0098-0331issn
1573-1561journal_volume
31pub_type
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