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Brown Flower Wasp - ? Gymnothynnus sp.

FAMILY TIPHIIDAE

This page contains pictures and information about Brown Flower Wasps that we found in the Brisbane area, Queensland, Australia.

Winged male 15mm, female 8mm 
 
We saw a wasp landed and rested on a dry grass with its abdomen tip attached with something. Looked a bit closer we found that the attachment was a wingless wasp. Then we understand it must be a flower wasps mating pairs. They flied away after we took a few photos.
 
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It is common to see male winged Flower Wasp carrying a wingless female, with tail to tail attached, flying between plants.
 
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To a female, wingless is an advantage when living on or under soil but it is also a problem to feed on flowers. Flower wasp evolved a mating behaviour which the male help the female on feeding. Their mating time is very long. It is common to see a male Flower Wasp carrying a wingless female, with tail to tail attached, flying between flowers. The transportation is part of the mating procedures. 
 
Photos were taken on August in Karawatha Forest.
 

 
 
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Picture taken on Jun 2008 in Karawatha Forest.
 
 

We thought this wasp was Tachyphron aculeatus, Graham Brown sent us email and advised that Tachyphron armidalensis is the only species in Brisbane.

Reference:
1. Tiphiid parasitoid wasp - Gymnothynnus sp 2 - Pests and Diseases Image Library PaDIL, 2009. 

 
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Last updated: January 03, 2010.