Biology:Micaria

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Micaria is a genus of ground spiders that was first described by Niklas Westring in 1851.[1] They are 1.3 to 6.5 millimetres (0.051 to 0.256 in) long.[2]

They are often called "ant spiders" due to their ant-like appearance and ant mimicking behavior.[3]

Distribution

Spiders in this genus are found in the Holarctic, Indomalayan, Australasian and Afrotropical zoogeographic regions.[4]

Species

As of September 2025 the genus contains 127 species and two subspecies.[4]

These species have articles on Wikipedia:

  • Micaria beaufortia (Tucker, 1923) – Ethiopia, Namibia, Botswana, Zimbabwe, Mozambique, South Africa, Lesotho
  • Micaria chrysis (Simon, 1910) – Ivory Coast, Ethiopia, Tanzania, Namibia, Mozambique, South Africa, Lesotho
  • Micaria dives (Lucas, 1846) – Europe, North Africa, Turkey, Israel, Caucasus, Russia (Europe to Far East), Iran, Kazakhstan, Central Asia, Pakistan, India, China, Korea, Japan
  • Micaria gertschi Barrows & Ivie, 1942 – Canada, United States
  • Micaria longipes Emerton, 1890 – Canada, United States, Mexico
  • Micaria longispina Emerton, 1911 – Canada, United States
  • Micaria pasadena Platnick & Shadab, 1988 – United States, Mexico
  • Micaria pulicaria (Sundevall, 1831) – Europe, Georgia, Russia (Europe to Far East), Kazakhstan, China, Japan, Alaska, Canada, United States
  • Micaria rossica Thorell, 1875 – Alaska, Canada, United States, Europe, Turkey, Caucasus, Russia (Europe to Far East), Kazakhstan, Iran, Central Asia, Mongolia, China
  • Micaria tersissima Simon, 1910 – South Africa

References

  1. Westring, N. (1851). "Förteckning öfver de till närvarande tid Kände, i Sverige förekommande Spindlarter, utgörande ett antal af 253, deraf 132 äro nya för svenska Faunan.". Göteborgs Kungliga Vetenskaps och Vitterhets Samhälles Handlingar 2: 25–62. 
  2. Platnick, Norman I.; Shadab, Mohammad U. (1988). "A Revision of the American Spiders of the Genus Micaria (Araneae, Gnaphosidae)". American Museum Novitates (2916): 1–64. 
  3. "Family Gnaphosidae (Flat-bellied Ground Spiders)". Spiders of Sungai Tawau. http://wongchunxing.com/Spider/2-NO_WEBS/Family_Gnaphosidae.htm. Retrieved 2016-09-28. 
  4. 4.0 4.1 "Gen. Micaria Westring, 1851". World Spider Catalog. doi:10.24436/2. https://wsc.nmbe.ch/genus/958. Retrieved 2025-10-16. 

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Wikidata ☰ Q2714154 entry