Beaver beetle | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Coleoptera |
Suborder: | Polyphaga |
Infraorder: | Staphyliniformia |
Superfamily: | Staphylinoidea |
Family: | Leiodidae |
Subfamily: | Platypsyllinae |
Genus: | Platypsyllus Ritsema, 1869 |
Species: | P. castoris
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Binomial name | |
Platypsyllus castoris | |
Synonyms | |
Platypsyllus castorinus Westwood, 1869 |
The beaver beetle (Platypsyllus castoris) is an ectoparasitic beetle that is only found on its host species, beavers,[2][3] and the sole member of the genus Platypsyllus. It is flattened and eyeless,[4] resembling a flea or tick. It used to be placed in a separate family called Leptinidae, but is now placed in the family Leiodidae, in the subfamily Platypsyllinae.[1]
...and Platypsyllus Ritsema 1869 with one apparently Holarctic species, ectoparasitic on the two species of Castor.
Platypsyllus castoris beetles of the family Leiodidae are specialists on beavers,...
Beavers are hosts to a unique parasite that lives on the exterior of their bodies—a highly specialized beetle that parasitizes only beavers.
All genera [of Coleoptera, which includes Platypsyllus,] are wingless and are eyeless or have reduced eyes, and are markedly dorsoventrally flattened.