Central Alberta Lakes

Central Alberta Lakes — Stillwater Hatches

Last reviewed 2026-05-21

Prairie pothole and foothills lakes. Chironomids dominate; ice-out midge/chironomid peaks in May. Callibaetis and damselflies in vegetated bays through summer.

October hatches

Midge

Chironomidae

Moderatehigh

#18-263-12 mm

Air -5–25°C (optimal 5–18°C)Water 2–20°C (optimal 4–15°C)

Prairie pothole and foothills lakes. Chironomids dominate; ice-out midge/chironomid peaks in May. Callibaetis and damselflies in vegetated bays through summer.