Species: Limnephilus extractus Walker 1852
Larvae construct cases of cross-wise placed plant material. Larvae were found associated with the weedy shorelines of lakes and slow moving rivers (Smith 1984). The larvae overwinter. There is only one generation a year with the adults flight period occurring in early to mid June (Smith 1984).
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.