Montana Field Guide

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Montana Field Guides

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- Kingdom - Animals - Animalia
  - Phylum - Spiders, Insects, and Crustaceans - Arthropoda
    - Class - Insects - Insecta
      - Order - Stoneflies - Plecoptera
        
        Family - Green Stoneflies - Chloroperlidae
        
        Species - A Stonefly - Suwallia salish

A Stonefly - Suwallia salish

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Species of Concern
Native Species

Global Rank: G1
State Rank: S1
(see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:

External Links

State Rank Reason (see State Rank above)

Known only from Flathead Lake

General Description

Nymphs and adults within the Chloroperliidae are small green and yellow stoneflies. Known to fly-fisherman as "little yellows", "little greens" and "Yellow Sallies". This family is well represented in Montana with 26 species, one of the larger families in the order Plecoptera, containing some 100 species distributed throughout the Holarctic region of North America. The adults are emerging in late spring and throughout summer.

Observations in Montana Natural Heritage Program Database

Number of Observations: 3

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Relative Density

Recency

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

Food Habits

Merritt and Cummins (1996) report that members of this family are trophically shredder-detritivores; eating large particulate organic materials such as detritus, leaves and plants.

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Alexander, K.D., and K.W. Stewart. 1999. Revision of the genus Suwallia Ricker (Plecoptera: Chloroperlidae). Transactions of the American Entomological Society 125: 185-250.
- 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.
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Dragonflies / Damselflies

Ferns and allies

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Citation for data on this website:
A Stonefly — Suwallia salish. Montana Field Guide. Montana Natural Heritage Program. Retrieved on April 20, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IIPLE18110