Bug FAQNearctic White-striped Running Crab Spider
Philodromus rufus · Order: Araneae · Family: Philodromidae
Also called: Red Running Crab Spider, White-striped Running Crab Spider
It occurs across North America as well as Europe, Turkey, the Caucasus, Siberian Russia, Central Asia, China, Korea, and Japan.
Source: Wikipedia
How to recognize it
Philodromus rufus, the white-striped running crab spider, belongs to the family Philodromidae.
Source: Wikipedia
Where it comes from
It is found in North America and also in parts of Europe and Asia, including Turkey, the Caucasus, Siberian Russia, Central Asia, China, Korea, and Japan.
Source: Wikipedia
Where it is found in the US
Recorded in 46 of 51 states and DC. Most records: Washington, Ohio, Colorado, Oregon, California, Alaska, New Jersey, Georgia.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Same family (Philodromidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Philodromus_rufus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.