MONTANA FIELD GUIDE™

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MONTANA FIELD GUIDE™

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- Kingdom - Animals - Animalia
  - Phylum - Spiders, Insects, and Crustaceans - Arthropoda
    - Class - Insects - Insecta
      - Order - Stoneflies - Plecoptera
        
        Family - Perlodid Stoneflies - Perlodidae
        
        Species - Nearctic Springfly - Diura knowltoni

Nearctic Springfly - Diura knowltoni

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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

Terms and Conditions of Use

Map Help and Descriptions

Number of Observations: 5
(Click on the following maps and charts to see full sized version)

Relative Density

Recency

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

Food Habits

Merritt and Cummins (1996) report that members of the families, Perlidae and Perlodidae, are largely predators eating other aquatic invertrebrates, especially Diptera (Chironomidae and Simuliidae, midges and blackflies) and Mayflies.

Stewardship Responsibility

References

Literature Cited AboveLegend: View Online Publication
- Cummins, K.W. and R.W. Merritt. 1996. Ecology and distribution of aquatic insects. Chapter 6, pages 74-86 in R.W. Merritt and K.W. Cummins (eds.) An Introduction to the Aquatic Insects of North America. Third Edition. Kendall/Hunt Publishing Company, Dubuque, Iowa. 862 pp.
Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Burns, D.C. 1973. Plecoptera of the West Fork of the West Gallatin River and factors influencing their distribution. M.Sc. Thesis. Bozeman, Montana: Montana State University. 71 p.
- Case, Georgia L. 1995. Distribution and abundance of zoobenthos in channel springbrook and hyporheic habitats of an alluvial floodplain. M.S. Thesis. University of Montana. Missoula, MT.
- Garrett, P.A. 1973. The distribution and abundance of aquatic insects in the Middle West Gallatin drainage. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 p.
- Gustafson, D. L. 1990. Ecology of aquatic insects in the Gallatin River drainage. Ph.D. Dissertation. Bozeman, MT: Montana State University. 194 p.
- Koelsch, Patrick Karl. 1975. Species diversity of stream insects as a measure of ecological stress for Post Creek, Lake County, Montana. M.S. Thesis. University of Montana. Missoula, MT.
- Oswald, R.A. 1979. Observations of distribution, abundance and production-related aspects of aquatic macroinvertebrates in natural thermal gradients. M.Sc. Thesis. Bozeman, Montana: Montana State University. 137 p.
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Dragonflies / Damselflies

Ferns and allies

Conifers

Flowering Plants (Dicots)

Flowering Plants (Monocots)

Citation for data on this website:
Nearctic Springfly — Diura knowltoni. MONTANA FIELD GUIDE™. Montana Natural Heritage Program. Retrieved on August 22, 2026, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IIPLE2M020