Japanese Beetle Attractants with Special Reference to Caproic Acid and Phenyl Ethyl Butyrate

Abstract
When geraniol and eugenol became scarce, several other chemicals were found attractive to the Japanese beetle. Of the number tested, phenyl ethyl butyrate and caproic acid were exceedingly promising as ingredients for baits when in combination with eugenol. Other chemicals gave outstanding results in various combinations with caproic acid, eugenol, geraniol and phenyl ethyl butyrate.

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