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Montana Field Guide

Montana Field Guides

A Mayfly - Leptophlebia cupida


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:


 

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General Description
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Summary of Observations Submitted for Montana
Number of Observations: 3

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Relative Density

Recency

 

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



Habitat
I was at Rainbow Lake, Sanders County, about 10 miles NE of Plains. This rocky substratum lake had dozens of nymphs of Leptophlebia cupida under every rock. I have never seen such numbers of this species.

Reproductive Characteristics
The adults began to swarm about 1:30 PM 5/17/2010 and I have attached the first photo I have ever taken of this species.

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 — Leptophlebia cupida.  Montana Field Guide.  .  Retrieved on , from