Over all length 6mm. A small grey-bodied fly with a spotted pattern on the wings.
Well vegetated ditches or water margins. The adult may be seen on the leaves of marginal plants. The larvae are internal parasites of small snails, normally Amber Snails.
Status and distribution
Common and widespread in southern Britain, but less common further north. Common in Nottinghamshire and recorded twice at Netherfield Lagoons, probably overlooked.
Best time to see
April to October.