One of several very similar Corixidae species of water boatmen. Detailed examination is necessary for identification of species.

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Found in ponds or still water, usually among emergent vegetation. It is less common in moving water.

All year round, though most frequently encountered in summer months. It may be attracted to light.

The bugs overwinter as adults and have a spring and summer generation.

Widespread and fairly frequent in Britain.

Status in Leicestershire and Rutland not known.