Arkansas River Aquatic Insects

• Arkansas River Aquatic Insects
• Best Fly Patterns
• Fly Pattern Recipes

Mayflies

• Blue Winged Olive - Baetis tricaudatus - March, April
• Blue Winged Olive - Diphetor hageni - September, October
• Pale Morning Dun - Ephemerella inermis - August, September
• Western Green Drake - Drunella grandis - July, August
• Speckle Wing Quill Callibaetis coloradensis - June, July
• Trico - Tricorythodes minutus - September, October
• Red Quill - Servatella tibialis - September, October

Stoneflies

• Giant Salmon Fly - Pteronarcys californica - June, July
• Golden Stonefly - Hesperoperla pacifica - June, July
• Brown Stoneflies - Nemouridae(9 species) - June, July
• Little Yellow Stonefly - Isoperla (9 species) - June, July, August

Craneflies

• Cranefly - Tipulidae - July, August

Midges

• Midges - Chironomidae - All year; Heavy in winter

Caddis (Major Hatches)

• Caddis (Sedge) - Brachycentrus occidentalis - April, May
• Caddis - Brachycentrus americanus - July, August
• Caddis - Hydropsyche occidentalis - April- October
• Caddis - Hydropsyche oslari - April-October
• Caddis - Ceratopsyche cockerelli - Aug, October
• Caddis - Cheumalopsyche pettiti - May-September
• Caddis - Cheumalopsyche lasia - September
• Caddis - Glossosoma montana - September
• Caddis - Micrasema bactro - August, September
• Caddis - Helicopshche borealis - June, July
• Caddis - Rhyacophila brunnea - April, May
• Caddis - Rhyacophila coloradensis - April-September
• Caddis - Oecentis disjuncta - June
• Caddis - Arctopsyche grandis - June, July
• Caddis - Hesperophaylax designatus - July