Normally grows to between 5 and 15 mm long and swim the right way up. The dorsal surface is not keeled on this species and the middle and back legs are more or less the same length. It is one of several similar species of lesser water boatmen that need detailed examination to be sure of species identification.
Weedy ponds and slow moving water.
Active all year and flies well.
Feeds mainly on single cell algae and plant debris.
Common and widespread in Britain.
Quite common in Leicestershire and Rutland.
Leicestershire & Rutland Map
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