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Species Dermacentor andersoni - Rocky Mountain Wood Tick

A Tick. - Dermacentor andersoni Tick - Dermacentor andersoni Tick - Dermacentor andersoni Wood Tick in Saskatchewan - Dermacentor andersoni Dermacentor sp. - Dermacentor andersoni Dermacentor sp. - Dermacentor andersoni Dermacentor sp. - Dermacentor andersoni - male Rocky Mountain Wood Tick - Dermacentor andersoni
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Subclass Acari (Mites and Ticks)
Superorder Parasitiformes
Order Ixodida (Ticks)
Family Ixodidae (Hard Ticks)
Genus Dermacentor
Species andersoni (Rocky Mountain Wood Tick)
Range
Rocky Mountains of US and Canada, See map from CIESIN (Columbia University)
Remarks
This species is very similar in appearance to Dermacentor variabilis. This range map shows their separate ranges, which may be used to identify them.

Identification to the species level is best achieved by comparing morphologic features of the spiracular plates (see CDC Division of Parasitic Diseases and Malaria link below).