Length 9 to 15 mm. This is a plain slightly orangey-brown caddis fly which has an odd resting position at times, with the body parallel to the surface but wings raised at an angle of about 30 degrees and more tightly rolled than in M. albicans.
Ponds, lakes, canals and slow rivers.
The adults are seen from May to September.
The larvae are found in sandy-bottomed lakes and slow rivers and streams.
Fairly frequent and widespread in England and a few records from Wales.
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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