This species has few cross veins and non forking veins along the front of the wing. It is uniformly dark brown and with all dark antennae. This the commonest of the three Sisyra species, the other two are rare.
There are three UK Sisyra species:
- S. nigra has all dark antennae and uniformly brown forewings
- S. terminalis has pale ends to the antennae
- S. dalii has forewings that are not uniformly brown
Around streamside vegetation.
April to October.
Larvae feed on freshwater sponges.
Widespread and fairly frequent in Britain.
Infrequently recorded in Leicestershire and Rutland. There were approximately 8 validated records for this species according to the 'Checklist of Neuroptera and allies in VC55' published in 2018.
Leicestershire & Rutland Map
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