Grey-legged Slender Fly
Orange Slender Fly
Orange-legged Slender Fly
Line-legged Slender Fly
Brown-legged Slender Fly
Black-legged Slender Fly
Wasp-mimic Robber Fly I
Wasp-mimic Robber Fly II
Zebra Robber Fly I
Zebra Robber Fly II 


Orange-legged Black Robber Fly - Laphria rufifemorata

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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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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Last updated: October 19, 2012.