Hatch Chart

Insect	Size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Blue Winged Olive	16-20
Blue Quill	16-18
Quill Gordon	12-14
Red Quill	12-14
March Brown	10-12
Pale Evening Dun	14-16
Pale Sulfur Dun	14-16
Light Cahill	12-16
Mahogany	10-12
Drakes	10-12
Rusty spinner	14
Trico	22-24

Insect	Size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Little Black Caddis	18-20
Grannon	14-16
Cream Caddis	14
Green Caddis	14
Tan Caddis	14-20
Summer Sedge	14-20

Insect	Size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Little Black Stone	16-18
Early Brown Stone	10-14
Yellow Sally	14-16
Giant Black Stone	4-8
Giant Spined Stone	10-12
Lime Sally	16-18
Great Brown Stone	8-12
Golden Stone	8-12

Insect	Size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Diptera - Chironomids	16-22

Insect	Size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Scuds	12-20

Insect	Size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hoppers	8-12
Ants	14-20
Beetles	14

Hatches vary depending upon the water and weather conditions. Hook sizes vary, but usually the smaller size is most effective.