Arachnids of North Carolina
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Scientific Name: Common Name: Family (Alpha):
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View Thomisidae Members: NC Records

Xysticus ferox (Hentz, 1847) - a ground crab spider


Taxonomy
Order: ARANEAEInfraorder: AraneomorphaeFamily: ThomisidaeSynonym: X. transversatus                                                                                 
Identification
Online Description/Photos: BugGuide Google, iNaturalist, Wikipedia, GBIF
Comments: Characteristically, the adult has a central dark triangle posterior to the dorsal groove of the carapace, flanked by larger, dark spots (often triangular) on the posterior declivity.
Total Length: females 6-7mm, males 5-6mm
Structural photos

Palp of NCBP 6873
Distribution in North Carolina
Comments: Alaska to Nova Scotia (including Sable Island), southward to Utah, Texas, and Georgia.
County Map: Clicking on a county returns the records for the species in that county.
Adult phenology:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge
Habitats and Life History
Habitats: old field
Observation Methods:
Abundance/Frequency: Common in NC & many other places throughout its range.
Status in North Carolina
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 Photo Gallery for Xysticus ferox - a ground crab spider

36 photos are available. Only the most recent 30 are shown.

Recorded by: Mark Basinger on 2023-10-20
Wilson Co.
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Recorded by: Mark Basinger on 2023-10-19
Wilson Co.
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Recorded by: Brian Bockhahn on 2023-07-14
Hyde Co.
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Recorded by: Brian Bockhahn on 2023-06-27
Wilson Co.
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Recorded by: Peter HULTH on 2023-02-08
Johnston Co.
Comment: Captured as penultimate male, molted to this adult 22 Feb '23. See palp in "Structural photos," above.
Recorded by: Peter HULTH on 2023-02-08
Johnston Co.
Comment: Captured as this penultimate male, molted to adult 22 Feb '23
Recorded by: Brian Bockhahn on 2022-06-17
Dare Co.
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Recorded by: John Petranka on 2022-03-06
Orange Co.
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Recorded by: John Petranka on 2022-01-01
Orange Co.
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Recorded by: John Petranka on 2021-10-23
Orange Co.
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Recorded by: John Petranka on 2021-10-23
Orange Co.
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Recorded by: Vin Stanton on 2021-05-24
Henderson Co.
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Recorded by: Carol Tingley on 2021-05-23
Durham Co.
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Recorded by: Vin Stanton on 2021-05-17
Buncombe Co.
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Recorded by: Donald Zepp on 2020-12-19
Johnston Co.
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Recorded by: Donald Zepp on 2020-12-19
Johnston Co.
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Recorded by: Brian Bockhahn on 2019-06-01
Stokes Co.
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Recorded by: Ken Kneidel on 2019-04-05
Mecklenburg Co.
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Recorded by: Ken Kneidel on 2019-04-05
Mecklenburg Co.
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Recorded by: aubrey wiggins on 2018-07-12
Wake Co.
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Recorded by: B. McRae on 2018-04-21
Macon Co.
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Recorded by: Brian Bockhahn on 2018-04-11
Washington Co.
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Recorded by: Ken Kneidel on 2018-04-06
Mecklenburg Co.
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Recorded by: Ken Kneidel on 2018-04-06
Mecklenburg Co.
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Recorded by: Ken Kneidel on 2018-04-06
Mecklenburg Co.
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Recorded by: j.wyche on 2017-10-12
Gates Co.
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Recorded by: Brian Bockhahn on 2017-06-29
Orange Co.
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Recorded by: Brian Bockhahn on 2016-07-21
Stokes Co.
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Recorded by: Brian Bockhahn on 2016-06-28
Avery Co.
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Recorded by: Brian Bockhahn on 2014-07-23
Rockingham Co.
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