Yoraperla brevis (Banks)

Kootenay Drainage Material: Davis Creek, Davis Creek Provincial Park, 50° 08’ N, 116° 57’ W, 29 May 2010, 1♂ . Stream near Pebble Beach Recreation Site, Kootenay Lake East Road, 49° 50’ N, 116° 51’ W, 31 May 2010, 2♂, 6♀ . Preacher Creek, Crawford Creek Road, NE Crawford Bay, 49° 43’ N, 116° 47’ W, 31 May 2010, 1♀ . Sherraden Creek, Riondel Road, S Riondel, 49° 44’ N, 116° 51’ W, 31 May 2010, 1♀ .