Bumble-bee-mimic robber fly with prey

This species has a mainly black mystax with some scattered yellow hairs, and mainly black hairs surrounding the eyes. The thorax is yellow and the abdomen may have a variable amount of yellow hairs on abdominal segments two through four. The yellowish arc of hairs that extend from the anterior of the thorax to below the wing insert, make an obvious field mark that is useful in the field.