Animalia → Insecta → Heptageniidae

A Mayfly

Cinygmula tioga

Invertebrate Animals

ORBIC List 1S2

State Rank

SX
S1
S2
S3
S4
S5

S2 — Imperiled in Oregon

What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories

Ecoregions

Willamette Valley

Counties

Benton · Clackamas

Other states / provinces

CA

Range map

Certain
Possible
Extirpated
Absent