Sex pheromone of purplestriped shootworm,Zeiraphera unfortunana powell.

The analyses of virgin female sex pheromone gland extracts and gland volatiles by GC, GC-EAD and GC-MS, followed by field trapping experiments, have identified (E)-9-dodecenyl acetate (E9–12∶Ac) as the primary sex pheromone component of the purplestriped shootworm,Zeiraphera unfortunana. Dosages of 1.0–10.0 μg ofE9–12∶Ac impregnated in rubber septa provide an effective trap bait and can be used for monitoring purposes.