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 


Giant Yellow Robber Fly - Blepharotes coriarius

Family Asilidae

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

Body length 45mm, female  
A large bright yellow insect flied pass by and rest high on a tree trunk with the very loud buzzing sound. From its size and yellow fur body we thought it might be a large Carpenter Bee. When it rested on a tree trunk (about picture) we recognized it was the Giant Yellow Robber Fly.
wpe1.jpg (23702 bytes) wpe8.jpg (26563 bytes)
Jan 2007,Karawatha Forest, female
We saw this Large Yellow Robber Fly a few times in Karawatha Forest, from mid to late summer. It usually rested on large gum tree trunk.
wpeA.jpg (45008 bytes) 
Dec 2007,Karawatha Forest, male                                                                                
This Large Robber Fly looks similar to the Giant Robber File, this fly is about the same giant size or a little bit smaller. The upper side of the abdomen is golden yellow and the hairs on its legs are black in colours. The wings are tinted in smoky brown colour. The other parts of its body are all black. 
DSC_2099.jpg (242944 bytes) DSC_2100.jpg (64550 bytes) DSC_2101.jpg (151948 bytes)
Jan 2008, Karawatha Forest, male 
This Large Yellow Robber Fly is always in very high alert, will fly away even if we carefully come close with  a few meters. We are still trying to shot a better picture.
DSC_2187.jpg (90634 bytes) DSC_2190.jpg (204197 bytes)
End Jan 2008, Karawatha Forest, male                                 
PWC_9296.jpg (230347 bytes) PWC_9298.jpg (193653 bytes)
Jan 2009, Ford Road Conservation Area, male
PWC_9814.jpg (123337 bytes) PWC_9815.jpg (175718 bytes) PWC_9816.jpg (280642 bytes)
End Jan 2009,  Ford Road Conservation Area, female
We found that this Giant Yellow Robber Fly is quite common in Brisbane Eucalypt forests. The only problem is to take their photos and confirm the seeing. During summer season, almost every time when we were in the middle of a Eucalypt forest, we saw this fly. Actually it was the fly who found us and not we found it. Every time of the encounter, we heard a loud buzzing noise then we saw this fly flied pass and rested about two to three meters away. It usually flied away within a few seconds, just not enough time to take any photos. Then the fly never came back. We believe every time the situation was we entered its territory and the giant fly came to check what we were. It then found out that we were nothing about its concerns and it left us alone.    
DSC_2204.jpg (207578 bytes) DSC_2205.jpg (146536 bytes) DSC_2206.jpg (131807 bytes)
Dec 2009, Daisy Hills Buhot Creek. male
Dec 2009, Anstead Forest, no photos taken.
DSC_2522.jpg (208861 bytes) DSC_2679.jpg (247267 bytes) DSC_5815.jpg (162929 bytes)
Early Jan 2010, Carbrook Wetland, male              Mid Jan 2010, Karawatha Forest, male                Nov 2011 Anstead Forest
DSC_0974.jpg (178975 bytes) DSC_1502.jpg (202575 bytes) DSC_1577.jpg (249724 bytes)
Dec 2012 Karawatha Forest                                Jan 2013 Anstead Forest                                      Jan 2013 Karawatha Forest

1. Insects of Australia, CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, p 758.
2. Insects of Australia and New Zealand - R. J. Tillyard, Angus & Robertson, Ltd, Sydney, 1926, p363 Plate 20 (Blepharotes coriareus).
3. Australian Insects, An Introductory Handbook - Keith C. McKeown, 1945, p225.
4. Blepharotes coriarius, (Wiedemann, 1830) - Robber Fly, ink on clay-coated paper, by Geoff Thompson, Queensland Museum 1990.
5. A revision of Neoaratus Ricardo, with the description of six allied new genera from the Australian region (Diptera : Asilidae : Asilini) - G Daniels, 1987.
6. Asilini - Australian Asilidae - Dr. Robert Lavigne, Honorary Research Associate, South Australian Museum, Adelaide, SA. 
Back to Top

Up ] [ Giant Yellow Robber Fly ] Giant Blue Robber Fly ]


See us in our Home page. Download large pictures in our Wallpaper web page. Give us comments in our Guest Book, or send email to us. A great way to support us is to buy the CD from us.  
Last updated: May 04, 2013.