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Montana Field Guide

Montana Field Guides

A Mayfly - Ephemerella excrucians

Native Species

Global Rank: G5
State Rank: SNR


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
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Species Range
Montana Range Range Descriptions

Native
 


Observations in Montana Natural Heritage Program Database
Number of Observations: 333

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Relative Density

Recency

 

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



Stewardship Responsibility

Threats or Limiting Factors
All forms of stream quality degradation pose potential threats. These include siltation; pollution from agricultural and industrial waste; and hydrological alteration from drainage, dams, or withdrawal of excess water for human use.

References
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Citation for data on this website:
A Mayfly — Ephemerella excrucians.  Montana Field Guide.  .  Retrieved on , from