Changes in the cuticular hydrocarbon profile of the slave-maker ant queen, Polyergus breviceps emery, after killing a Formica host queen (Hymenoptera: Formicidae).

作者: Christine A. Johnson , Robert K. Vander Meer , Barry Lavine

DOI: 10.1023/A:1010456608626

关键词:

摘要: Queens of the slave-maker ant, Polyergus breviceps, take over nests their Formica host species by fatally attacking resident queen. As workers only begin grooming P. breviceps queen once she has ceased her attack, we investigated whether a change in parasite chemistry may account for worker behavior. Cuticular hydrocarbon profiles newly mated queens and two were found to be species-specific. Profiles that had attacked queen, however, virtually identical profile killed. Mass spectral analysis revealed hydrocarbons on cuticles changed from primarily normal alkanes methyl di-methyl branched after attacks. The results suggest cuticular compounds transferred during aggressive interaction.

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