Abstract
Female abdominal tip extracts of fruittree leafroller (FTLR), Archips argyrospilus (Walker), moths from British Columbia were analyzed and found to contain dodecyl acetate, cis - and trans -11-tetradecen-1-ols (60:40), and cis - and trans -11-tetradecenyl acetates (60:40). Field tests in British Columbia showed that males responded to a range of cis - and trans -11-tetradecenyl acetates, but the optimum ratio was 70:30 and dodecyl acetate acts as a synergist. Analysis of FTLR females from New York showed similar tip extract components, but in the field New York males were much more dependent upon the proper cis:trans ratio and the presence of dodecyl acetate than were the males in British Columbia.
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