Species: Pycnopsyche subfasciata (Say) 1828
Tubular larval case made of bark, sand grains and twigs. Larvae have been found in cool streams as well as lakes. Larvae are dormant during the summer months (Smith 1984). There is one generation per year with the adults collected in late August and early September.
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.