Sex pheromone of the oak leaf roller: a complex chemical messenger system identified by mass fragmentography.

The sex pheromone of the oak leaf roller, Archips semiferanus Walker, is composed of a complex mixture of chemical signals. The attractant component of the pheromone contains a series of tetradecenyl acetates having double bonds in positions 2 to 12. Mass fragmentography of the ozonolysis products of the attractant component was used to locate the double bonds in the various isomer.