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 - Lolo Sailfly - Sweltsa durfeei

Lolo Sailfly - Sweltsa durfeei

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Species of Concern
Native Species

Global Rank: G2
State Rank: S2
(see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:

External Links

State Rank Reason (see State Rank above)

Limited distribution within the state and may be rare or uncommon within range. Warming stream temperatures, may impact habitat suitability, but further study is needed to understand these effects.

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.

Species Range

Montana Range Range Descriptions

Native

Observations in Montana Natural Heritage Program Database

Number of Observations: 6

(Click on the following maps and charts to see full sized version) Map Help and Descriptions

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.

Stewardship Responsibility

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Kondratieff, B.C. and R.W. Baumann. 2009. A contribution to the knowledge of Sweltsa exauisita (Frison) and S. occidens (Frison) and description of a new species of Sweltsa form the northern Rocky Mountains, U.S.A. (Plecoptera: Chloroperlidae). Illiesia, 5(3): 20-29.
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Citation for data on this website:
Lolo Sailfly — Sweltsa durfeei. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 23, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IIPLE19340