IUCN threat status:

Not evaluated

Comprehensive Description

Read full entry

General Description

Females: Relatively small body size with a length of 9-12 mm, stout and completely black body with yellow spurs (articulated spine). Eyes become slightly convergent near the bottom. Soft downy hair (pubescence) is white and is quite dense around the antennae, lower face, cheeks, lateral and posterior thorax, lateral abdomen, and between dorsal abdomen segments. Wings are subhyaline (sub transparent). Large cheeks, only slightly wider than the eyes and mouth mandibles have 5 tooth projections. Pollen collecting “scopa” on the ventral abdomen with dense yellowish short hairs. (Mitchell 1962). Males: Body length of 8-10 mm, stout and completely black body and slightly reddish legs. Eyes become slightly convergent near the bottom. Large cheeks that are slightly wider then the eyes and mouth mandibles have 3 tooth projections. Pubescence are white and very dense around the antennae, lower face, cheeks below, lateral and posterior thorax. Wings are subhyaline (sub transparent). Tergum (dorsal abdomen segment) 7 is prominent, broad, short and has a deep excavation. Sternum (ventral abdomen segment) 5 is short and restricted. Sternum 6 has few setae on each side of the midline with no obvious apical lobe. Genital armatures have slender gonocoxites with a sharp appearing apex. (Mitchell 1962).

Trusted

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© University of Alberta Museums

Source: University of Alberta Museums

Belongs to 1 community

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!