Bow River at Calgary
Southern Alberta · 10 active this month
Bow River at Calgary Hatch Calendar
Last reviewed 2026-05-21
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
August hatches
No photo available
Pale Morning Dun
Ephemerella inermis
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Yellow Sally
Isoperla spp.
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Green Sedge
Rhyacophila spp.
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
Flying Ant
Formicidae
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Beetle
Coleoptera
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
Midge
Chironomidae
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Spotted Sedge
Hydropsyche spp.
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Trico
Tricorythodes spp.
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
No photo available
Sow Bug
Asellus
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.
Grasshopper
Acrididae
World-class blue-ribbon reach. Full spectrum of mayfly, caddis, stonefly, and terrestrial hatches.