The addition of synthetic eugenol and benzyl acetate to the known floral chemical
and moth attractant phenylacetaldehyde synergized attraction of the silver Y
moth Autographa gamma, an important noctuid pest. Traps baited
with the ternary blend caught 2 to 6 times more A. gamma moths
than traps baited with phenylac-etaldehyde alone. Both female and male moths
were attracted, supposedly in the natural sex ratio of the local population.
More A. gamma were caught when the blend was formulated in
dispenser types with higher release rates. Traps baited with the ternary lure in
polyethylene bag dispensers caught 20% to 34% as many moths as were caught in
traps baited with synthetic sex pheromone, suggesting that this improved
bisexual lure could be efficient enough to yield a new tool for detection and
monitoring of female and male A. gamma, for more reliable plant
The same ternary lure also improved trap catches of moths over phenylacetaldehyde
alone for the plusiinae pests MacDunnoughia confusa (in Europe)
and Autographa californica (in North America) and for the
Noctuinae cutworm Xestia c-nigrum (in North America).
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