Abstract
AbstractContact pheromones are a subset of a complex mixture of hydrocarbons secreted on the cuticle and play an important role in the mating behaviour of several cerambycid species (Coleoptera: Cerambycidae). In this study, we investigated the relationship between maturation (newly eclosed and sexually mature) adult Monochamus scutellatus (Say) beetles and sex and the composition of the cuticular hydrocarbon blend to determine if this information is encoded in the blend and potentially available for communication purposes. Whole-body extracts of unfed females, and both mature females and males were analysed by gas chromatography mass spectrometry to identify and quantify the components of the cuticular hydrocarbons. There were no unique compounds present in any of the three groups, but discriminant analysis indicated that the relative proportions of the cuticular hydrocarbon components were unique for each group.
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