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Montana Animal Field Guide

Montana Field Guides

A Mayfly - Serratella tibialis

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Global Rank: G5
State Rank: SNR

Agency Status
FWP Conservation Tier:


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General Description
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Summary of Observations Submitted for Montana
Number of Observations: 242

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Relative Density



(Records associated with a range of dates are excluded from time charts)

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.

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Citation for data on this website:
A Mayfly — Serratella tibialis.  Montana Field Guide.  Montana Natural Heritage Program.  Retrieved on March 26, 2015, from
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