Size, medium; form slender. Head small but prominent; face shining piceous, the area below the eyes slightly lighter in colour; the occiput uniformly dark piceous, but distinctly trifasciate in one specimen; vertex with a number of long stout black bristles; the entire head clothed with short pale-coloured hairs. Eyes small, prominent and oval. Antennae uniformly dark fuscous. Maxillary palpi dark fuscous, the two terminal joints sometimes slightly paler.