Species: Hydroptila wyomia Denning 1947

Larvae construct a sand grain case. Smith (1984) found the larvae in all types (clear, turbid and brownwater) of fast flowing streams. The larvae are possibly the overwintering stage.

References:

Smith, D. H. 1984. Systematics of Saskatchewan Trichoptera larvae with emphasis on species from the boreal streams. Ph.D. Thesis U. of Saskatchewan, Saskatoon. SK 1302 pp.