Glyphotaelius pellucidus


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.

Identification difficulty

Still water habitats, ponds and lakes, often in woodland or well wooded areas.

When to see it

Late April to June and August to October with a summer diapause.

Life History

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.

UK Status

Fairly frequent and widespread in Britain, though less common in Scotland.

VC55 Status

Fairly frequent in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map