Length 9 to 13 mm. A rather greyish brown caddis with a very dark wing stigma.
Still or slow moving water, even temporary water sources. This species inhabits both fresh and salt water lakes and pools. It is able to tolerate low levels of salinity by regulating the salt in the blood and is sometimes common on salt marshes.
April to June and August to October with summer diapause.
Widespread and fairly frequent in Britain.
Occasional in Leicestershire and Rutland.
Leicestershire & Rutland Map
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