Hatch Chart

KEY: M= Midges, B= Baetis, S= Stone Flies, C= Caddis, P= PMDs, CD= Cicada, H= Hoppers, CF= CraneFlies, T= Tricos
J F M A M J J A S O N D

WYOMING

Smiths Fork H H H H H
Green River C CD S C CD S C T CF C T CF B T
Hams Fork C B T S C B T S B H C B T M B T M
J F M A M J J A S O N D

COLORADO

Trinchera Creek M B H S B P C H S B P C H S B P C
Culebra Creek M B M B M B M B M B C CF M B C S CF H M B C S CF H T M B C S CF H T M B C S CF H T M B CF S M B M B
J F M A M J J A S O N D

NEW MEXICO

Valle Vidal (Rio Costilla) M B P S C H M B P S C H CF M B P S C H M B
Red River M B M B M B M B P M B P C M B S C H M B S C H M B S C H M B S C H M B M B M B
Rio Grande M M M M C M C C H H H M B M B M M
Cimarron River M M B M B M B S C H M B S C H M B S C H M B H M B
J F M A M J J A S O N D
KEY: M= Midges, B= Baetis, S= Stone Flies, C= Caddis, P= PMDs, CD= Cicada, H= Hoppers, CF= CraneFlies, T= Tricos