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Chemical exchanges show wasps are bad losers

ew use of a real-time chemical analysis technique known as Atmospheric Pressure Chemical Ionisation Mass Spectrometry (APCI-MS), as well as recording wasp behaviour on video, the researchers were able to study the visible and chemical behaviour of the wasps in tandem.

Behaviours displayed by the wasps included chasing, biting, stinging and full-on fighting. The video and chemical analysis showed that a volatile chemical, which is a type of spiroacetal, was released by the wasps when losing a particularly aggressive fight.

Dr Hardy said: "Our research suggests that wasps which have lost a fight release spiroacetal to temporarily and partially incapacitate the winner, it could be likened to the insect version of pepper spray. The volatile chemicals released by the wasps may prompt females to disperse away from the target area. If we understand how to reduce chemical release behaviour we can improve the efficacy of these wasps in pest control".

Professor Julia Goodfellow, BBSRC Chief Executive, said: "This research highlights the benefits of understanding animal behaviour and the impact this can have on finding solutions to tackle costly problems such as pest control."


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Contact: Matt Goode
matt.goode@bbsrc.ac.uk
44-179-341-3299
Biotechnology and Biological Sciences Research Council
19-Nov-2006


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