Chrysanthemyl 2-acetoxy-3-methylbutanoate: the sex pheromone of the citrophilous mealybug, Pseudococcus calceolariae

The sex pheromone of the citrophilus mealybug is identified from the headspace volatiles of virgin females as [2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropyl]methyl 2-acetoxy-3-methylbutanoate based on GC-MS analysis, derivatization procedures and field-trapping experiments with the synthetic compound.