Grouse Wing Mystacides longicornis

Mystacides longicornis (Linnaeus, 1758)

FW length 6-9 mm.

A relatively small caddisfly with distinctively brownish patterned yellowish forewings. It has extraordinary long pale antennae and bright red eyes. It must be noted that there are two colour varieties of this species, the second being the pale yellow form

It flies May to September, and it is found on ponds, lakes, slow rivers and canals. Common and widespread throughout.

The larva builds a case from sand grains and lives in still water.

Identification of species reconfirmed by an expert at iRecord.