Blue Ant - male ( Diamma bicolor)

Also known as Blue Bottle, this is a male flower wasp is not as common as the wingless female which looks more like a large shiny blue ant.
This wasp was of a moderate size-15 mm. It had black head, eyes, thorax and abdomen and short black antennae. The abdomen had 3 visible white markings on both dorsal and ventral aspects and perhaps a pair of small white patches at the waist. The anterior thoracic margin was also white.
Wings were tinted and the leading edges appeared black and thickened. Femurs, tibiae and tarsi were brown.
Spotted on tea-tree ( Leptospermum sp.)
The female of the species can be seen on http://www.jungledragon.com/image/36470