Animalia → Insecta → Heptageniidae
Jewett's Flat-Headed Mayfly
Leucrocuta jewetti
Tyler Bishop · CC-BY
ORBIC List 3S2
State Rank
SX
S1
S2
S3
S4
S5
S2 — Imperiled in Oregon
G1G2Q
Global Rank
Critically Imperiled
List 3
ORBIC
Sensitive / Vulnerable
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Coast Range
West Cascades
Willamette Valley
Counties
Benton · Clatsop · Douglas · Linn
Other states / provinces
CA?, Great Lakes +
Range map
Certain
Possible
Extirpated
Absent