Dermacentor

 ( Ticks ) 

Dermacentor is a genus of in the family Ixodidae, the hard ticks. The genus has a cosmopolitan distribution, with native species on all continents except Australia.

Hosts of Dermacentor ticks include many large and small mammals, including , deer, cattle, lagomorpha, peccary, , , desert bighorn sheep, and humans. The American dog tick ( D. variabilis) is a member of the genus.

Dermacentor species are vectors of many , including Rickettsia rickettsii, which causes the disease Rocky Mountain spotted fever, Coxiella burnetii, which causes Q fever, Anaplasma marginale, which causes anaplasmosis in cattle, Francisella tularensis, which causes tularemia, Babesia caballi, which causes Babesiosis, and the Flavivirus that causes Powassan encephalitis. Dermacentor ticks inject a neurotoxin that causes tick paralysis.

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Species As of 2025, 43 species are placed in the genus:

• Dermacentor albipictus Packard, 1869 – winter tick
• Dermacentor andersoni Stiles, 1908 – Rocky Mountain wood tick
• Dermacentor asper Arthur, 1960
• Dermacentor auratus Supino, 1897
• Dermacentor bellulus Schulze, 1933
• Dermacentor circumguttatus Neumann, 1897
• Dermacentor compactus Neumann, 1901
• Dermacentor confragus Schulze, 1933
• Dermacentor dispar Cooley, 1937
• Dermacentor dissimilis Cooley, 1947
• Dermacentor everestianus Hirst, 1926
• Dermacentor falsosteini Apanaskevich, Apanaskevich & Nooma, 2020
• Dermacentor filippovae Apanaskevich & Apanaskevich, 2015
• Dermacentor halli McIntosh, 1931
• Dermacentor hunteri Bishopp, 1912
• Dermacentor imitans Warburton 1933
• Dermacentor kamshadalus Neumann, 1908Dmitry A Apanaskevich, Stephen C Barker, Dermacentor kamshadalus (Acari: Ixodidae), a Tick of Mountain Goats and Sheep in Western United States, Canada, and Russia, Is a Valid Species, Journal of Medical Entomology /ref>
• Dermacentor laothaiensis Apanaskevich et al., 2019
• Dermacentor latus Cooley, 1937
• Dermacentor limbooliati Apanaskevich & Apanaskevich, 2015
• Dermacentor marginatus Sulzer, 1776
• Dermacentor montanus Filippova & Panova, 1974
• Dermacentor nitens Neumann, 1897
• Dermacentor niveus Neumann 1897
• Dermacentor nuttalli Olenev, 1928
• Dermacentor occidentalis Marx, 1892 - Pacific Coast tick
• Dermacentor panamensis Apanaskevich & Bermúdez, 2013
• Dermacentor parumapertus Neumann, 1901
• Dermacentor pasteuri Apanaskevich et al., 2020Dmitry Apanaskevich, Khamsing Vongphayloth, Pattraporn Jeangkhwoa, Aummarin Chaloemthanetphong, Arunee Ahantarig, Maria Apanaskevich, Paul T. Brey, Khaithong Lakeomany, Wachareeporn Trinachartvanit. 2020. Description of a new species of Dermacentor Koch, 1844 (Acari: Ixodidae) from the mountains of Laos and Thailand. Systematic Parasitology Last accessed 11 Jun 2020.
• Dermacentor pavlovskyi Olenev 1927
• Dermacentor pomerantzevi Serdyukova, 1951
• Dermacentor pseudocompactus Apanaskevich & Apanaskevich, 2016Dmitry A. Apanaskevich and Maria A. Apanaskevich. 2016. Description of Two New Species of Dermacentor Koch, 1844 (Acari: Ixodidae) From Oriental Asia. Systematic Parasitology Epub 2016 Jan 20.
• Dermacentor raskemensis Pomerantsev, 1946
• Dermacentor reticulatus Fabricius, 1794 – ornate cow tick, ornate dog tick, meadow tick, marsh tick
• Dermacentor rhinocerinus Denny, 1843
• Dermacentor silvarum Olenev 1931
• Dermacentor sinicus Schulze, 1932
• Dermacentor steini Schulze, 1933
• Dermacentor taiwanensis Sugimoto, 1935
• Dermacentor tamokensis Apanaskevich & Apanaskevich, 2016
• Dermacentor tricuspis Schulze, 1933
• Dermacentor ushakovae Filippova & Panova 1987
• Dermacentor variabilis Say, 1821 – wood tick, American dog tick

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