Potter Wasp

Description:

A small shiny black wasp with two well sparated narrow bands of pale yellow on the abdomen. The abdomen is unusual in that it has a double bulge.

Habitat:

On eucalyptus branch covered with scale eggsacs. Suburban back yard on E.microcarpa

Notes:

Family: Eumeninae. Common name is 'Potter Wasp' - like hundreds of others.
These scale were from last year and all seemed either empty or well dead.
http://bie.ala.org.au/species/urn:lsid:b...