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- Kingdom - Animals - Animalia
  - Phylum - Spiders, Insects, and Crustaceans - Arthropoda
    - Class - Insects - Insecta
      - Order - Mayflies - Ephemeroptera
        
        Family - Siphlonurid Mayflies - Siphlonuridae
        
        Species - A Siphlonurid Mayfly - Siphlonurus occidentalis

A Siphlonurid Mayfly - Siphlonurus occidentalis

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status
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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: 49

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Relative Density

Recency

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

Habitat

This species has been collected from rocky but somewhat quiet organic rich edgewaters along relatively medium to large rivers in the montain western part of Montana.

Stewardship Responsibility

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Gustafson, D. L. 1990. Ecology of aquatic insects in the Gallatin River drainage. Ph.D. Dissertation. Bozeman, MT: Montana State University. 194 p.
- Wells, E.A. 1986. Alpine limnology of selected water bodies on the Beartooth Plateau, Montana, with emphasis on benthos. Ph.D. Dissertation. Bozeman, MT: Montana State University. 401 p.
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Conifers

Flowering Plants (Dicots)

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Citation for data on this website:
A Siphlonurid Mayfly — Siphlonurus occidentalis. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 23, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IIEPH24010