Alberta Hatch Charts
44 insects · 42 river sections · 3 lake regions
Hatch charts by waterbody
Insect Encyclopedia
Browse all 44 species →
Blue-winged Olive
Baetis spp.
Mayfly#18-225-7 mm
Peak: Mar, Apr, May, Sep…
No photo available
Pale Morning Dun
Ephemerella inermis
Mayfly#16-188-12 mm
Peak: Jun, Jul, Aug
No photo available
No photo available
Grannom
Brachycentrus occidentalis
Caddisfly#14-1610-14 mm
Peak: Apr, May, Jun