Hylaeus (Gnathoprosopoides) bituberculatus

    

Size
female 6 mm; male 6.5 mm

Identifying Characteristics
A small bee with short, blunt mandibles. There is no break between the yellow of the collar and the yellow tubercles. The back is otherwise black.

Distinctive Features
Most males have large spines under the abdomen. They may be reduced in size in smaller males, but are absent only from the smallest individuals.

Flower Visiting Records

Angophora spp.	Eucalyptus spp.	Leptospermum spp.
Cassinia uncata	Calytrix tetragona	Melaleuca sp.
Xanthorrhoea sp.	Xerochrysum bracteatum

Taxonomy

Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Colletidae
Genus:	Hylaeus
Subgenus:	Gnathoprosopoides
Species:	bituberculatus