Appearance
The wingspan is 24–40 millimetres. Adults are on wing from mid-May through late-July. There is one generation per year in the north.
Reproduction
The larvae feed on ''Betula papyrifera'' and ''Alnus'' species and use parts of their body to make sounds! They can create these sounds by shaking their bodies, drum and scrape their mouthparts, or drag specialised anal 'oars' against the surface of a leaf. Larvae build communal silk shelters and the sounds may attract other larva to the shelter.References:
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