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Chilostigma itascae

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Chilostigma itascae, also known as the headwaters chilostigman,[1][2] is a species of caddisfly in the family Limnephilidae.[3] It was discovered in mile-long Nicollet Creek, the Mississippi River's headwaters in Itasca State Park, Minnesota,[2][4] which remained the only known location for the species for 31 years. However, in 2005 and 2011 it was found in other locations in and around Itasca State Park and in 2017 an effort to study winter caddisflies by the Minnesota Biological Survey found it in peatland locations scattered across the northwestern part of the state[5] and there are unconfirmed photo records from across the Canadian border in Thunder Bay District, Ontario. It was discovered by Glenn Wiggins, a scientist from the Royal Ontario Museum, on New Year's Eve of 1974, and was scientifically described by him in the following year.[2] Unlike other caddisflies, its adult emergence occurs in the winter under the cover of deep snow.[2]

References

  1. ^ "Dragonflies, butterflies, moths, caddisflies". Endangered, Threatened, Special Concern Species. Minnesota Department of Natural Resources. Archived from the original on 30 September 2008. Retrieved 1 July 2010.
  2. ^ a b c d Henderson, Carrol L. (January–February 2008). "Minnesota Profile: Headwaters Chilostigman Caddisfly". Minnesota Conservation Volunteer. 71 (416): 72–73. Archived from the original on 2009-03-25. Retrieved 2010-03-02.
  3. ^ "Chilostigma itascae". Integrated Taxonomic Information System. Retrieved 9 December 2009.
  4. ^ Houghton, David C.; Holzenthal, Ralph W. (2003). "The Updated Conservation Status of Protected Minnesota Caddisflies" (PDF). The Great Lakes Entomologist. 26 (1–2): 35–40. Archived from the original (PDF) on 2010-07-29. Retrieved 2019-06-30.
  5. ^ Johnson, Kyle (January–February 2019). "Headwaters Chilostigman Caddisfly (Chilostigma itascae)". Minnesota Conservation Volunteer. Retrieved 2020-02-10.
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Chilostigma itascae: Brief Summary

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Chilostigma itascae, also known as the headwaters chilostigman, is a species of caddisfly in the family Limnephilidae. It was discovered in mile-long Nicollet Creek, the Mississippi River's headwaters in Itasca State Park, Minnesota, which remained the only known location for the species for 31 years. However, in 2005 and 2011 it was found in other locations in and around Itasca State Park and in 2017 an effort to study winter caddisflies by the Minnesota Biological Survey found it in peatland locations scattered across the northwestern part of the state and there are unconfirmed photo records from across the Canadian border in Thunder Bay District, Ontario. It was discovered by Glenn Wiggins, a scientist from the Royal Ontario Museum, on New Year's Eve of 1974, and was scientifically described by him in the following year. Unlike other caddisflies, its adult emergence occurs in the winter under the cover of deep snow.

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