Figure 1

(A) Representative total ion chromatogram of an SPME extract of volatiles from the crushed abdomen of an adult female Melanotus communis, highlighting the possible pheromone candidates 13-tetradecen-1-yl acetate (peak 1) and tetradecyl acetate (peak 2); (B) EI mass spectrum (70 eV) of the female-produced 13-tetradecen-1-yl acetate.