Hystrichopsylla schefferi

Mountain beaver flea
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Subclass:	Pterygota
Infraclass:	Neoptera
Superorder:	Endopterygota
Order:	Siphonaptera
Infraorder:	Hystrichopsyllamorpha
Family:	Hystrichopsyllidae
Genus:	Hystrichopsylla
Species:	H. schefferi
Binomial name
	Hystrichopsylla schefferi; Chapin 1919[1]
Synonyms
	Hystrichopsylla hubbardi Augustson 1953; Hystrichopsylla mammoth Chapin 1921

Hystrichopsylla schefferi, also known as the mountain beaver flea and giant mountain beaver flea, is a parasitic holarctic insect belonging to the order Siphonaptera, the "siphon-wingless" (fleas). With an adult body length of as much as 0.5 inches (13 mm), it is the largest living flea in the world, and is native to the American Northwest.[2] Though most members of the genus Hystrichopsylla are not strongly associated with any particular host animal and will parasitize insectivores and rodents generally,[3] H. schefferi is monoxenously associated with the mountain beaver with which its range is coterminous.[4] The fleas of the family Hystrichopsyllidae, along with the family Pulicidae, are the oldest of fleas in evolutionary history.[5] H. schefferi can be distinguished from the very similar and closely related species Hystrichopsylla gigas dippiei by the number of spines in the pronotal comb, as H. g. dippiei has 36 and H. schefferi has 46.[6]

References

Chapin, Edward A. (April 1919). "New species of North American siphonaptera". Bulletin of the Brooklyn Entomological Society. Brooklyn Entomological Society. 14 (2): 49–61.
YOON, CAROL KAESUK (29 July 2014). "The Great Giant Flea Hunt". New York Times. New York: The New York Times Company. pp. D1. Retrieved 29 July 2014.
Gunvor Brinck-Lindroth; F.G.A.M. Smith (22 June 2007). The Fleas (Siphonaptera) of Fennoscandia and Denmark. Brill. p. 32. ISBN 90-04-15151-6.
B.F. Eldridge; J.D. Edman; John Edman (31 December 2003). Medical Entomology: A Textbook on Public Health and Veterinary Problems Caused by Arthropods. Springer Science & Business Media. p. 111. ISBN 978-1-4020-1794-0.
Boris R. Krasnov (8 May 2008). Functional and Evolutionary Ecology of Fleas: A Model for Ecological Parasitology. Cambridge University. p. 33. ISBN 978-1-139-47266-1.
Henry Ellsworth Ewing; Irving Fox (1943). The Fleas of North America: Classification, Identification, and Geographic Distribution of These Injurious and Disease-spreading Insects. U.S. Department of Agriculture. p. 89.

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[1] Chapin, Edward A. (April 1919). "New species of North American siphonaptera". Bulletin of the Brooklyn Entomological Society. Brooklyn Entomological Society. 14 (2): 49–61.

[2] YOON, CAROL KAESUK (29 July 2014). "The Great Giant Flea Hunt". New York Times. New York: The New York Times Company. pp. D1. Retrieved 29 July 2014.

[Brinck-Lindroth†2007-3] Gunvor Brinck-Lindroth; F.G.A.M. Smith (22 June 2007). The Fleas (Siphonaptera) of Fennoscandia and Denmark. Brill. p. 32. ISBN 90-04-15151-6.

[EldridgeEdman2003-4] B.F. Eldridge; J.D. Edman; John Edman (31 December 2003). Medical Entomology: A Textbook on Public Health and Veterinary Problems Caused by Arthropods. Springer Science & Business Media. p. 111. ISBN 978-1-4020-1794-0.

[Krasnov2008-5] Boris R. Krasnov (8 May 2008). Functional and Evolutionary Ecology of Fleas: A Model for Ecological Parasitology. Cambridge University. p. 33. ISBN 978-1-139-47266-1.

[EwingFox1943-6] Henry Ellsworth Ewing; Irving Fox (1943). The Fleas of North America: Classification, Identification, and Geographic Distribution of These Injurious and Disease-spreading Insects. U.S. Department of Agriculture. p. 89.

Hystrichopsylla schefferi

See also

References