[8] For terminology see Speight key to genera and glossary 7–8 mm (0.28–0.31 in) The head is completely shiny, except for a strip across the face beneath the antennae.

The frons of the female, is broad and long, is heavily wrinkled on the sides, with a narrow smooth area in the middle.

When viewed from the side, the face has a gently concave shape and is noticeably bumpy below the center.

[9] The dorsum of thorax is opaque black, sometimes deep cobalt blue, with numerous small, greenish, more shining spots, which on the sides become confluent, forming stripes.

external image gbif.org The legs are wholly greenish black Canada, United States.