Subfamily Philanthinae - Social Digger Wasps

FAMILY SPHECIDAE

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



Digger Wasp in subfamily Philanthinae is medium in size. They are black with orange-yellow banding. There is the petiole segment between the thorax and abdomen. The abdomen is constricted between segments. The head is large and wide. The hind legs, or femur, are expanded and flattened.

Those Digger wasps nest in bare, firm ground. They nest communally and there is some division of labour. All Australian wasps in this subfamily are in Cerceris genus, Cercerini.

They prey on small beetle, includes Cleridae and other families, for their larvae.

Cerceris Digger Wasp I

Cerceris sp., body length 10mm
This Digger Wasp is medium in size . The head is large and wide with the yellow face. They build nest on sandy ground. There is always a guard at the entry of the nest. They prey on small beetle for their larvae. We have detail records of this wasp, please check this page.


Cerceris Digger Wasp II

Cerceris sp., body length 10mm
Pictures were taken in Ford Road Conservation Area on Jan 2009. The wasps build hest on the vertical soil next to the footpath. Notice the guard at the entry of the nest. It has the black face.


Cerceris Digger Wasp III

Cerceris sp., body length 10mm
Photos were taken in Ford Road Research Area on Jan 2008. Please visit this page for more images.


Cerceris Digger Wasp IV

Cerceris sp., body length 12mm
We found this Digger Wasp when it was capturing a beetle. Details please check this page.


Reference and Link:
1. Insects of Australia, CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, pp 993.
2. Insects of Australia and New Zealand - R. J. Tillyard, Angus & Robertson, Ltd, Sydney, 1926, p299.
3. Northern Territory Insects, A Comprehensive Guide CD - Graham Brown, 2009.