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Montana Field Guide

Montana Field Guides

A Mayfly - Baetis intercalaris


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:


 

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General Description
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Diagnostic Characteristics
Baetis intercalaris larvae are from other Montana Baetis by the presence of three banded caudal filaments, a large dark spot on the middle femora, wide labial palps, and three, round pale areas on the posterior margin of the abdominal terga (Waltz et al. 1996).

Summary of Observations Submitted for Montana
Number of Observations: 17

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Relative Density

Recency

 

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



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