Modification of the Geraniol and Eugenol Content of Japanese Beetle Bait

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Abstract
The need for modifying the standard 10 to 1 geraniol and eugenol Japanese beetle bait formula was made imperative as soon as the source of these materials was cut off in 1942. Earlier investigations demonstrated that it was possible to reduce the cost of the bait generally used, but it was not until 1942 when it became necessary to find substitutes for a part of the geraniol and eugenol without seriously affecting the attractiveness of the bait. Tests conducted since 1942 have shown that it is possible to conserve these scarce materials by diluting the standard bait 50% with equal parts of Deobase oil and light white mineral oil, or it may be made into a 1:1 ratio and diluted with 30% mineral oil without reducing the attractiveness. Substitutes for geraniol have shown possibilities and may prove efficient in certain combinations.

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