Polymorphic Pondweed Moth

Butterfly or moth in the family Crambidae with a wingspan of 18–22 mm. Feeds on plants. Its aquatic larva feeds on plant matter, dead or alive, which it shreds.

There are 224 observations of Polymorphic Pondweed Moth in Québec, mostly in Abitibi-Témiscamingue, Outaouais and Estrie, and it has been reported in 15 of the 17 regions. They peak in August and become rare from September to May.