The forewings are pale brown to dark grayish-brown with fine speckling.
The bee is often black or dark brown, and is sparsely coated with grayish hair on the thorax, legs and on the abdomen.
On the contrary, under achromatic conditions the inner region appears grayish watercolored.
The ground colour of the forewings is pale grayish brown.
The flesh is thinbetween 0.5 and 1 mmand pale grayish to reddish brown.
Its upper surface is grayish or brownish, sometimes with tiny dark spots.
It is a dark grayish color on the top, with a dark vertical marking and bands on the flank.
The hindwings are even paler with faint grayish veins.
