Bug FAQSad Ground Crab Spider
Xysticus funestus · Order: Araneae · Family: Thomisidae
Also called: Deadly Ground Crab Spider
Source: Wikipedia
The sad ground crab spider lives in North America. Bites are very rare and only cause minor swelling and redness.
Source: Wikipedia
Does it bite or sting?
Bites are extremely rare and only cause minor swelling and redness.
Source: Wikipedia
Where it lives
Found in North America.
Source: Wikipedia
Where it comes from
Native to North America.
Source: Wikipedia
Lookalikes
It is also called the mournful ground crab spider, sad ground crab spider, or deadly ground crab spider.
Source: Wikipedia
Where it is found in the US
Recorded in 32 of 51 states and DC. Most records: Texas, Ohio, Alabama, Pennsylvania, Maryland, Oklahoma, New York, Illinois.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Status: native in North America; native in Canada. Source: iNaturalist
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
Do they bite?
Bites are extremely rare and usually only cause minor swelling and redness.
Source: Wikipedia
What other names does this spider have?
It is also known as the mournful ground crab spider, sad ground crab spider, or deadly ground crab spider.
Source: Wikipedia
Same family (Thomisidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Xysticus_funestus
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.