Volatile compounds emitted by live European honey bee (Apis mellifera L.) queens

Journal of Insect Physiology
David C GilleyJudith E Hooper

Abstract

We used solid-phase microextraction (SPME, 65 microm PDMS-DVB fiber) to sample the volatile compounds emitted by live honey bee queens in several reproductive states (unmated queens, recently mated queens, and established mated queens), and compared them to the volatiles emitted by workers. We detected nine compounds that were present in at least 75% of the individuals in at least one type of bee, and which were not present in the sampling environment alone. Four of these compounds were present in queens but not in workers. One of these four compounds, identified as E-beta-ocimene, was expressed fully only in established mated queens and may be a signal of diploid egg-laying activity. The three remaining queen-specific compounds (including one identified as 2-phenylethanol) were associated with unmated queens and may mediate interactions between unmated queens and workers during queen elimination. The five common compounds that we detected in both queens and workers were hydrocarbons and may function as nestmate recognition cues. We consider these discoveries as a first step in determining the potentially important functions of volatile signals and cues within honey bee nests.

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Citations

Sep 1, 2009·Behavioral Ecology : Official Journal of the International Society for Behavioral Ecology·Sarah D KocherChristina M Grozinger
Jul 12, 2013·Proceedings. Biological Sciences·Martina OzanLiselotte Sundström
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Aug 20, 2008·Journal of Agricultural and Food Chemistry·Blaise W LeBlancKevin Loeffelmann

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