Hatch Chart

This hatch chart for the Yakima River should provide some useful information when deciding which flies to buy or what time of the year you would like to fish.

January	February	March	April
Crayfish	Alevin	Alevin	Alevin
Little Brown Stone	Crayfish	Blue Wing Olive	Ants
Midges	Little Brown Stone	Crayfish	Blue Wing Olive
Smolt	Midges	March Brown	Caddis
Sculpin	Smolt	Midges	Crayfish
Stickleback	Sculpin	Smolt	Green Drake
Stonefly	Skwala	Sculpin	March Brown
	Stickleback	Skwala	Midges
	Stonefly	Stickleback	Smolt
		Stonefly	Salmon Fry
			Sculpin
			Sedge
			Skwala
			Stickleback
May	June	July	August
Ants	Ants	Ants	Ants
Beetles	Beetles	Beetles	Beetles
Blue Wing Olive	Blue Wing Olive	Caddis	Blue Wing Olive
Caddis	Caddis	Crayfish	Caddis
Crayfish	Crayfish	Fall Cahill	Cranefly
Green Drake	Golden Stonefly	Golden Stonefly	Crayfish
March Brown	Green Drake	Hoppers	Fall Cahill
Midges	Hoppers	Mayfly	Hoppers
Mother’s Day Caddis	March Brown	Midges	Midges
Pale Morning Dun	Mayfly	Pale Evening Dun	October Caddis
Salmon Fly	Midges	Smolt	Pale Evening Dun
Salmon Fry	Mother’s Day Caddis	Sculpin	Smolt
Sculpin	Pale Evening Dun	Sedge	Sculpin
Smolt	Pale Morning Dun	Short wing Sedge	Sedge
Sedge	Salmon Fly	Stickleback	Short wing Sedge
Stickleback	Salmon Fry	Summer Stonefly	Stickleback
	Sculpin	Yellow Sally	Summer Stonefly
	Sedge		Yellow Sally
	Stickleback
September	October	November	December
Ants	Ants	Blue Wing Olive	Crayfish
Beetles	Beetles	Crayfish	Midges
Blue Wing Olive	Blue Wing Olive	Fall Cahill	Smolt
Caddis	Caddis	Light Cahill	Sculpin
Cranefly	Cranefly	Mahogany Dun	Stickleback
Crayfish	Crayfish	Midges	Stonefly
Fall Cahill	Fall Cahill	October Caddis
Hoppers	Hoppers	Smolt
Light Cahill	Light Cahill	Sculpin
Mahogany Dun	Mahogany Dun	Stickleback
Midges	Midges
October Caddis	October Caddis
Pale Evening Dun	Smolt
Smolt	Sculpin
Sculpin	Stickleback
Sedge	Summer Stonefly
Short wing Sedge
Stickleback
Summer Stonefly
Yellow Sally