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Stoneflies - Plecoptera: Perlodidae of Gunnison County, Colorado

Isoperla pinta - Checkered Stripetail

Frison 1937
Updated 16 January 2026
TSN 103009

Good Links

On this website:
Introduction to Isoperla

Other Websites:
Photos, Map, Taxon Identifier Numbers - from the Global Biodiversity Information Facility Isoperla pinta at GBIF

Photos, Map, Museum specimens, DNA - Barcodinglife.org

Plecoptera Species File
DeWalt,RE; Hopkins,H; Neu-Becker,U and Stueber,G 2024 Photos - from BugGuide.

References

Baumann,RW, Gaufin,AR and Surdick,RF 1977 The stoneflies (Plecoptera) of the Rocky Mountains. Memoirs of the American Entomological Society 31, 1-208. PDF
     Quote from page 152: "This species is common in creeks and rivers in the Pacific Northwest but rare in the Rocky Mts. The adults emerge from March to July."

Frison,TH 1937 II. Descriptions of Plecoptera with special reference to the Illinois species. Illinois Natural History Survey Bulletin 21 (3) 78-99.
     Original description of this species on page 92-94. Illustrations include figure 81 of male wing, abdominal tergites and subanal hook, head and pronotum, nymph maxilla and labium and female abdominal sternites as well as figure 82 of entire nymph.


Gill,BA Kondratieff,BC and Sandberg,JB 2015 Evaluation of the morphological species concepts of 16 western Nearctic Isoperla species (Plecoptera: Perlodidae) and their respective species groups using DNA barcoding. Illiesia: International Journal of Stonefly Research, 11(11), 130-146. PDF

Knight,AW and Gaufin,AR 1966 Altitudinal distribution of stoneflies (Plecoptera) in a Rocky Mountain drainage system. Journal of the Kansas Entomological Society 39(4) 668-675. First page

Kondratieff,BC; Baumann,RW 2002 A review of the stoneflies of Colorado with description of a new species of Capnia (Plecoptera: Capniidae). Transactions of American Entomological Society 128 (3) 385-401.
     Quote from page 396: "This species is closely related and very similar to the preceding species [Isoperla phalerata] but is uncommon in Colorado. Generally, I. pinta is found in mountain streams, scattered around the state (Szczytko and Stewart 1979). "

Sandberg,JB 2011 Vibrational communication of Isoperla Banks from California and Oregon (Plecoptera: Perlodidae). Illiesia 2011 7(1):1-23. PDF

Sandberg,JB and Kondratieff,BC 2013 The Isoperla of California (Plecoptera: Perlodidae); Updated male descriptions and adult keys for 18 western Nearctic species. Illiesia (9)34-64. PDF

Stewart,KW and Stark,BP 2002 Nymphs of North American Stonefly Genera. 2nd edition The Caddis Press, Columbus, Ohio. 510 pages. Photo of mature nymph pattern on page 110 figure 6.38

Stoaks,RD and Kondratieff,BC 2014 The aquatic macroinvertebrates of a first order Colorado, USA Front Range stream: what could the biodiversity have been before irrigated agriculture?. Journal of the Kansas Entomological Society, 87(1), pp.47-65. PDF
     Quote from page 61: "A single adult female of I. pinta Frison was collected."

Szczytko,SW and Stewart,KW 1979a The genus Isoperla (Plecoptera) of western North America; holomorphology and systematics, and a new stonefly genus Cascadoperla. Memoirs of the American Entomological Society 32, 1-120.

Zuellig,RE; Heinold,BD; Kondratieff,BC and Ruiter,DE 2012 Diversity and Distribution of Mayflies (Ephemeroptera), Stoneflies (Plecoptera), and Caddisflies (Trichoptera) of the South Platte River Basin, Colorado, Nebraska, and Wyoming, 1873-2010. U.S. Geological Survey Data Series 606, 257 p. PDF - caution 46MB
     Quote from page 55: "Isoperla pinta is considered an uncommon species in Colorado (Kondratieff and Baumann 2002). In the SPRB it is known from a relatively wide elevational gradient and probably is more common than these records indicate." The elevation range is 4,950-10,200 feet and the adults emerge from June-September.


Brown,WS 2004 Plecoptera or Stoneflies of Gunnison County, Colorado
www.gunnisoninsects.org