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Family Asilidae
- This page contains pictures and information about Orange-legged Black Robber
Flies that we found
in the Brisbane area, Queensland, Australia.
 - Body length 20mm
- The Rubber Fly is black in colour with femur partly orange-yellow and
tibiae wholly black. Abdomen has lateral white spots. Wings are
blackish-brown. The wings are tined in black-brown colour with the clear area
near the wing base.
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- We usually found this Robber Fly resting on leaves.
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- Robber flies in this subfamily Laphriinae usually black in colour. They have the wing vein R2+3 ending on
R1, i.e. marginal cell closed. Their antenna is three segmented and without terminal style. Some of them are shiny
metallic colour and some with reddish legs. They often have darken but not patterned wings.
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- We found this fly the second time in Carbrook Wetlands on Sep 2009. This
robber fly seems like to rest on leaves waiting for prey.
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- We found this fly captured a small wasp and resting on leaf. It was in
Anstead Forest on Sep 2012. Robber Flies are air hunter. They also known as an Assassin Fly and
Bee Killer.
They have piercing mouth-parts and strong legs which can catch prey on flight.
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- Reference:
- 1. Insects
of Australia, CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, plate 5.
- 2. A review of Australian species of Laphria (Asilidae: Diptera), with descriptions of three new species from Lord Howe Island - Paramonov, S.J. 1958, Pacific Sci. 12: 92-105.
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