[2] For terminology see Thompson glossary of taxonomic terms Species of this genus are small to medium sized 5.6–11 mm (0.22–0.43 in), sturdy, usually with posteriorly rounded yellow spots or straight or posteriorly emarginate yellow bands on the oval abdomen, rarely with yellow abdominal markings reduced or absent.

The anterior anepisternum with short to moderately long erect hairs, at least posterodorsally.

The upper and lower katepisternal hair patches are either separated or narrowly joined posteriorly.

The hind coxa have apical tufts of several strong hairs on the rear central area.

The sternites are yellow, usually with faint or distinct dark median spots, stripes, or broad triangles or with black subapical bands.