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Length 12 to 17 mm. A medium to large sized caddis fly with marbled brown and cream wings, although the patterning varies between male and female in this species. The forewings have a notched outer margin.
Still water habitats, ponds and lakes, often in woodland or well wooded areas.
Late April to June and August to October with a summer diapause.
It breeds around still water such as ponds and lakes. The jelly coated egg sac is stuck to a leaf above the surface of the water, and when the eggs are ready to hatch they fall into the water beneath. The larvae build a case with pieces of dead leaves.
Fairly frequent and widespread in Britain, though less common in Scotland.
Fairly frequent in Leicestershire and Rutland.
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