Taxonomic Hierarchy
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Arachnida
- Order: Araneae
- Suborder: Araneomorphae
- Family: Philodromidae
Common Name (AAS
)
Running Crab Spiders
Other Common Names
Crab Spiders
Author
Tamerlan Thorell, 1870
Sightings Overview
There have been 207 confirmed sightings of Philodromidae (Running Crab Spiders), with the most recent sighting submitted on March 26, 2025 by Spider ID member susiemo. The detailed statistics below may not utilize the complete dataset of 207 sightings because of certain Philodromidae sightings reporting incomplete data.
- Web: 8% of the time, Philodromidae spiders are sighted in a spider web (Sample size: 207)
- Sex: 5 female and 38 male.
- Environment: Philodromidae has been sighted 110 times outdoors, and 119 times indoors.
- Outdoors: Man-made structure (57). On flower (1). Low foliage (19). High foliage (4). Ground layer (8). Under rock or debris (2). Freshwater river, lake, stream (1). Saltwater (1). Open field, pasture, grassland (8). Forest (9).
Location and Range
Philodromidae (Running Crab Spiders) has been sighted in the following countries: Canada, Germany, Ireland, Israel, Italy, Malaysia, Mexico, Serbia, Slovakia, South Africa, Spain, Sweden, Thailand, Turkey, United Kingdom, United States.
Philodromidae has also been sighted in the following states: Alabama, Alaska, Arizona, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Washington, Washington, D.C., Wisconsin, Wyoming.
Seasonality
Philodromidae has been primarily sighted during the month of May.
- January: 6
- February: 14
- March: 35
- April: 58
- May: 62
- June: 14
- July: 3
- August: 3
- September: 3
- October: 5
- November: 1
- December: 3
Additional Remarks
- Spiders in this family have the second pair of legs longer than the rest.
- Also see the family Thomisidae for more types of “crab spider.”