Sex pheromone of the pea moth,Cydia nigricana (F.) (Lepidoptera: Olethreutidae)

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Abstract
The sex pheromone of the pea moth,Cydia nigricana (F.), was identified as (E,E)-8,10-dodecadien-1-ylacetate (E,E8,10–12∶Ac) (approximately 0.1 ng/abdominal tip), in vacuum distillates of virgin female abdominal tips and volatiles emitted by calling females, from its chemical properties and capillary gas chromatography and mass spectrometry data. SyntheticE,E8,10–12∶Ac and the natural pheromone elicited similar quantitative electrophysiological and behavioral responses from male moths. Other related compounds which also attract male moths in the field,viz., (E)-10-dodecen-1-yl acetate, (E,E)-8,10-dodecadien-1-ol, and (E,E)-8,10-dodecadienal, were not detected in the pheromone andE,E8,10–12∶Ac was not found in male moths.