The following represents major hatches as they occur in the area. Before streams clear, drop and warm sufficiently for hatches to appear consistently, anglers should fish nymphs and streamers. Early season hatches will appear at the warmest time of the day. As air and water temperatures rise during the season, hatches will occur earlier in the day. Late season angling (September/October) is often most productive with large nymphs and streamers as spawning fish become more territorial.
Salmon Fly (Pteronarcys californica)
Progressive hatch moving upstream several miles per day as water temperatures rise.
Golden Stone (Hesperopela pacifica)
Yellow Sally (Isoperia & Suwallia pallidula)
Pale Morning Duns (Ephemerella inermis & infrequens).
Western Green Drake (Ephemerella grandis)
Brown Drake (Ephemera simulans)
Small Western Green Drake (Ephemerella flavilinea)
Gray Drake (Siphlonurus occidentalis)
Callibaetis (Callibaetis americanus)
Trico (Tricorythodes minutu)
Blue Wing Olive (Baetis, many species)
CADDIS (many species)
Hoppers, ants, beetles, crickets