Thomisidae
(Crab Spiders)

Taxonomic Hierarchy

• Kingdom: Animalia
• Phylum: Arthropoda
• Class: Arachnida
• Order: Araneae
• Suborder: Araneomorphae
• Family: Thomisidae

Common Name (AAS)

Crab Spiders

Author

Carl Jakob Sundevall, 1833

Sightings Overview

There have been 375 confirmed sightings of Thomisidae (Crab Spiders), with the most recent sighting submitted on April 25, 2020 by Spider ID member kriss. The detailed statistics below may not utilize the complete dataset of 375 sightings because of certain Thomisidae sightings reporting incomplete data.

• Web: 9% of the time, Thomisidae spiders are sighted in a spider web (Sample size: 340)
• Sex: 48 female and 47 male.
• Environment: Thomisidae has been sighted 237 times outdoors, and 141 times indoors.
• Outdoors: Man-made structure (70). On flower (56). Low foliage (46). High foliage (15). Ground layer (25). Under rock or debris (4). Freshwater river, lake, stream (3). Open field, pasture, grassland (7). Forest (9). Desert area (2).

Location and Range

Thomisidae (Crab Spiders) has been sighted in the following countries: Australia, Brazil, Canada, Croatia, Czech Republic, France, Germany, Greece, Hong Kong, India, Indonesia, Ireland, Malaysia, Mexico, Montenegro, Morocco, New Zealand, Palestine, Philippines, Portugal, Spain, Sweden, Switzerland, Thailand, Turkey, Ukraine, United Kingdom, United States, Venezuela, Zambia.

Thomisidae has also been sighted in the following states: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming.

Seasonality

Thomisidae has been primarily sighted during the month of May.

• January: 9
• February: 21
• March: 42
• April: 61
• May: 105
• June: 41
• July: 19
• August: 24
• September: 14
• October: 16
• November: 5
• December: 15

Additional Remarks

• Also see the family Philodromidae for more kinds of “crab spider.”