The United States of America As Represented by the Secretary of

Raymond D Eikenbary

Paul A Hedin

Justin K Collins

A sex pheromone composition effective in the attraction of female pecan weevils has been found, and comprising a mixture of substantially pure components, said components comprising: I) a racemic mixture of the cis and trans isomers of 2-isopropenyl-1-methylcyclobutaneethanol, II) �(Z)-3,3-dimethylcyclohexane-.DELTA..sup.1,.beta. -ethanol!, III) �(Z)-3,3-dimethylcyclohexane-.DELTA..sup.1,.alpha. -acetaldehyde!, and IV) �(E)-3,3-dimethylcyclohexane-.DELTA..sup.1,.alpha. -acetaldehyde! in the approximate ratio of 7:16:3:3. The compositions have use as mating disruptants and as attractants for the purpose of population control or monitoring.

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Stillwater, OK, United States of America

Raymond D Eikenbary