- Adult — 3/8"–7/16". The body has a pale grey colour, eyes are bronze–brown, and legs are dark reddish–brown.
- Adults are seen from April to September.
- The larvae can take up to two years to develop and live in loose sand.
- In the pupal stage the larvae curls into a circle or “u” shape lasting one or two weeks.
- Adults live on sandy riverbanks with an open habitat free of shading trees.
- The larvae of sand flies are active soil predators.