Xysticus – Ground Crab Spider

Spiders of the xysticus genus, also called ground crab spiders are a rather indistinct species. As all crab spiders, they look similar to crabs. The brownish coloring, along with the splotchy pattern is optimal for blending in with its natural habitat than to stand out. Depending on the species of the ground crab spider, the color may be more beige or darker brown.

Xysticus - Ground Crab Spider size compared to a coin
Photography by: K. J. Ester – Madison Heights, Mi.

Xysticus Size

The xysticus genus contains some one of smallest Crab Spiders. The Ground Crab Spider pictured above is approximately only 3/16” (5mm) across, including the legs. Typically, xysticus spiders don’t grow larger than 0.4 inch (10mm).

Bites

The bite of a Crab Spider will not have any negative, dangerous impacts for humans. Ground crab spidersnon-aggressive and will run away if they face any danger. They will only attack of the feel the need to defend themselves.

Xysticus Scientific Classification

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Chelicerata
  • Class: Arachnida
  • Order: Araneae
  • Infraorder: Araneomorphae
  • Family: Tomisidae
  • Genus: Xysticus
Xysticus - Ground Crab Spider photo
Photography by: K. J. Ester – Madison Heights, Mi.

Distribution of Xysticus crab spiders in the USA

Various species of xysticus crab spiders can be found throughout the United States – Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Xysticus – Ground Crab Spider

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