Grey Feathery Antennae Robber Fly - Ommatius sp.

Family Asilidae

This page contains pictures and information about Grey Feathery Antennae Robber Flies that we found in the Brisbane area, Queensland, Australia.

Body length 20mm

This robber fly is dark grey in colour with dark brown legs. 

 

 

 

In above pictures the Robber Fly is feeding on spider. Insects are not always be the prey of spiders. Some insects attack spiders. Robber Fly is one of those insects. 

 

 

The Robber fly can be recognized by the antenna in plumose form, i.e., feather like. 

 

 

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Reference:

1. Keys -  Robber Flies (Asilidae) Home page, by Fritz Geller-Grimm, Torsten Dikow, Robert J. Lavigne 

2. Ommatius Australian Asilidae - Dr. Robert Lavigne, Honorary Research Associate, South Australian Museum, Adelaide, SA.  

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Last updated: May 04, 2013.