Chionea alexandriana

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Chionea alexandriana
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Limoniidae
Genus: Chionea
Species:
C. alexandriana
Binomial name
Chionea alexandriana
Garrett, 1922
Chionea alexandriana adult female (top) and male (bottom). These are alcohol-preserved specimens from the Cascade mountain range, Washington State USA. Chionea alexandriana male female 0021 0067.png
Chionea alexandriana adult female (top) and male (bottom). These are alcohol-preserved specimens from the Cascade mountain range, Washington State USA.

Chionea alexandriana is a species of snow fly ( chionea ) in the family Limoniidae. [1] [2] [3] [4] [5] The species is common in the western mountains of North America, including Alberta, British Columbia, Washington State, Oregon, Idaho, Montana, Utah, and California. [1] J.A. Chapman (1954), working in Montana, found them to be most abundant in snow fields at 3600-7000 feet elevation from November to April at temperatures ranging from 21-32 degrees F. [6] [1]


Chionea alexandriana adults are 4-8 mm. Based on their morphology and range they are thought to be most closely related to the snow fly species Chionea nigra, jellisoni, excavata and lyrata. They are distinguished from other species by their dark grayish brown heads, light brown to brown bodies, and dorsal midline stripe. Chionea alexandriana antennae are shorter than most other snow fly species, with only three to four flagellomeres. [1]

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References

  1. 1 2 3 4 Byers, G.W. (1983). The crane fly genus Chionea in North America. Univ. of Kansas Science Bulletin 52(6):59-195.
  2. "Chionea alexandriana Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
  3. "Chionea alexandriana". GBIF. Retrieved 2019-09-23.
  4. Oosterbroek, Pjotr (2018). "Catalogue of the Craneflies of the World" . Retrieved 2019-07-02.
  5. Chapman, John A. (1954). "Observations on Snow Insects in Western Montana". The Canadian Entomologist. 86 (8): 357–363. doi:10.4039/Ent86357-8. ISSN   1918-3240.