Length 10 to 15 mm. The colouration may vary from pale to dark brown but the distinguishing feature is the dark edged pale 'half moon' on the rear margin of the wing - from whence the Latin 'lunatus'.
This is a cosmopolitan species to be found in streams, ponds lakes and marshes.
May to November
The larval case is constructed from leaf fragments, sand grains and other debris.
Common and widespread over much of Britain.
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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