Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

A Mayfly - Baetisca lacustris

Native Species

Global Rank: G5
State Rank: SNR

Agency Status

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.

Range Comments
Known from the lower Yellowstone River but was recently reported in the Marias River of the Missouri Basin, Chouteau County at US Hwy 87 south of Loma in 2002

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

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



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

Login Logout
Citation for data on this website:
A Mayfly — Baetisca lacustris.  Montana Field Guide.  .  Retrieved on , from