Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

A Siphlonurid Mayfly - Siphlonurus occidentalis

Native Species

Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:


 

External Links





 
General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Observations in Montana Natural Heritage Program Database
Number of Observations: 33

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
This species has been collected from rocky but somewhat quiet organic rich edgewaters along relatively medium to large rivers in the montain western part of Montana.

References
Login Logout
Citation for data on this website:
A Siphlonurid Mayfly — Siphlonurus occidentalis.  Montana Field Guide.  .  Retrieved on , from