Correlation of Fatty Acid and Pheromone Component Structures in Sex Pheromone Glands of Ten Lepidopteran Species

Abstract
Fatty acid analyses of ovipositor tips of 10 lepidopteran species showed that in each species unusual fatty acids are present with the same carbon chain lengths and positions of unsaturation as the sex pheromone components. The unusual fatty acids in the various species included Δ9 and Δ11-14-carbon acids, and Δ11-16-carbon acid. In three species, analyses of the insects after removal of the ovipositor tip also were carried out and showed that the unusual fatty acids were found only in the ovipositor tip.

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