Black-spotted Marsh Beetle

Beetle in the family Scirtidae. Its aquatic larva feeds on algae scraped off submerged surfaces.

There are 13 observations of Black-spotted Marsh Beetle in Québec, mostly in Estrie, Capitale-Nationale and Chaudière-Appalaches, and it has been reported in 5 of the 17 regions. They peak in July and become rare from September to May.