Attraction of Several Dipterous Insects to Aliphtic Esters : Diptera : Milichiidae, Chloropidae and Ceratopogonidae

概要

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The enticement of several dipterous insects to straight chain aliphatic esters was tested under field conditions by means of a filter paper trap permeated with an ascending flow of chemicals. The structurally related compounds were simultaneously exposed in a group and their activities were mutually compared by the numbers of trapped insects. Four insect species respectively gave a precise choice to chemical structures within a limited range, which shifted gradually from species to species; the favored comounds were hexyl butanoate for Neophyllomyza sp. (Milichiidae), octyl butanoate for Siphonella sp. (Chloropidae), hexyl hexanoate for Forcipomyia sp. A (Ceratopogonidae) and decyl hexanoae for Forcipomyia sp. B. The attracting activity of the compounds to the insect species varied, in different ways according to the responding species, wit respect to the total chain length as well as the length of either the alcohol or acid moiety and the position of the functional group in molecules of the same length. The results are discussed in the light of the current conception on the mechanism of insect olfaction.
日本応用動物昆虫学会の論文
1974-03-25