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Xysticus punctatus Keyserling, 1880

	FAMILY: THOMISIDAE Sundevall, 1833     Genus: Xysticus C. L. Koch, 1835         Species: Xysticus punctatus Keyserling, 1880
	Author: Hancock, John Page views: 776 Write a Review: Visitor Comments: (1)

Family Common Name:  crab spiders
Genus Common Name:  ground crab spiders
Species Common Name:  none

Global Distribution: USA, Canada
Nearctic States & Provinces: (from the Nearctic Spider Database)   AB CO CT MT NH SC WY
Collection Locales Mapped by Year Collected: (from the Nearctic Spider Database)

Specimen Search Specimen list 14, 31

Feeding Guild:^† ambushers
^†Feeding guild when noted defined by Uetz, G. W., J. Halaj, and A. B. Cady. 1999. Guild structure of spiders in major crops. Journal of Arachnology 27:270-280. PDF
Recorded Habitats: Branches of conifers, litter in coniferous forests (Dondale & Redner, 1978). Most often found within conifer forests above ground within the tree, but has been taken in pitfall traps on the forest floor. Wide range fo habitats from town gardens to riparian and forests (Hancock, pers. obs.).
Life & Natural History: (not yet recorded or unknown)

Seasonality of Specimen Records: (from the Nearctic Spider Database - Requires Flash plug-in - refresh this page if not visible)

Image(s) of Habitus:

Description: Carapace mottled red-brown, with pale V and light mottled area anterior to dorsal groove. Legs mottled red-brown and off-white. Dorsum of abdomen with paired orange-brown areas separated by broad pale median area. Tegular ridge is near the center and the hook on the ventral tibial apophysis is very small (Dondale & Redner, 1978).

Male Dimensions: A = 2.1 mm  A+B = 3.75 mm  C = 2.07 mm

Image of External Male Genitalia: Credit: Hancock, John

Description: Carapace light mottled red-brown, with pale V and light mottled area anterior to dorsal groove. Legs light mottled red-brown and off-white. Dorsum of abdomen with paired orange-brown areas separated by broad pale median area. Epigynum has a small flat median septum (Dondale & Redner, 1978).

Female Dimensions: A = 2.63 mm  A+B = 5.4 mm  C = 2.59 mm

Image of Epigynum: Credit: Hancock, John

Descriptions Source:
Dondale, C. D. & J. H. Redner. 1978. The insects and arachnids of Canada, Part 5. The crab spiders of Canada and Alaska, Araneae: Philodromidae and Thomisidae. Research Branch, Agriculture Canada, Publ. 1663: 1-255.

Xysticus punctatus Keyserling 1880 urn:lsid:ubio.org:namebank:1990968

Xysticus formosus Banks 1892 urn:lsid:ubio.org:namebank:1990970

Xysticus formosus Emerton 1892 urn:lsid:ubio.org:namebank:1990971

Xysticus formosus Comstock 1912 urn:lsid:ubio.org:namebank:1990972

Xysticus punctatus Banks 1913 urn:lsid:ubio.org:namebank:1990973

Xysticus formosus Chamberlin 1933 urn:lsid:ubio.org:namebank:1990974

Xysticus punctatus Gertsch 1939 urn:lsid:ubio.org:namebank:1990975

Xysticus punctatus Kaston 1948 urn:lsid:ubio.org:namebank:1990976

Xysticus punctatus Schick 1965 urn:lsid:ubio.org:namebank:1990977

Xysticus punctatus Turnbull, Dondale & Redner 1965 urn:lsid:ubio.org:namebank:1990978

Xysticus punctatus Dondale & Redner 1978 urn:lsid:ubio.org:namebank:1990979

Xysticus punctatus Paquin & Dupérré 2003 urn:lsid:ubio.org:namebank:9736768

Banks, N. 1913. Notes on the types of some American spiders in European collections. Proc. Acad. nat. Sci. Philad. 65: 177-188.

Banks, N. 1892. The spider fauna of the Upper Cayuga Lake Basin. Proc. Acad. nat. Sci. Philad. 1892: 11-81.

Chamberlin, R. V. 1933. On a new eyeless spider of the family Linyphiidae from Potter Creek Cave California. Pan-Pacif. Ent. 9: 122-124.

Comstock, J. H. 1912. The spider book; a manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whipscorpions, harvestmen and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits. Garden City, New York, pp. 1-721

Dondale, C. D. & J. H. Redner. 1978. The insects and arachnids of Canada, Part 5. The crab spiders of Canada and Alaska, Araneae: Philodromidae and Thomisidae. Research Branch, Agriculture Canada, Publ. 1663: 1-255.

Emerton, J. H. 1892. New England spiders of the family Thomisidae. Trans. Connect. Acad. Arts Sci. 8: 359-381.

Gertsch, W. J. 1939. A revision of the typical crab spiders (Misumeninae) of America north of Mexico. Bull. Amer. Mus. Nat. Hist. 76: 277-442.

Kaston, B. J. 1948. Spiders of Connecticut. Bull. Conn. St. geol. nat. Hist. Surv. 70: 1-874.

Keyserling, E. 1880. Die Spinnen Amerikas, I. Laterigradae. Nürnberg, 1: 1-283.

Paquin, P. & N. Dupérré. 2003. Guide d'identification des araignées de Québec. Fabreries, Suppl. 11 1-251.

Schick, R. X. 1965. The crab spiders of California (Araneae, Thomisidae). Bull. Am. Mus. nat. Hist. 129: 1-180.

Turnbull, A. L., C. D. Dondale & J. H. Redner. 1965. The spider genus Xysticus C. L. Koch (Araneae: Thomisidae) in Canada. Can. Ent. 97: 1233-1280.

^‡Nomenclature and taxonomic references from the World Spider Catalog

Dondale, C. D. & J. H. Redner. 1978. The insects and arachnids of Canada, Part 5. The crab spiders of Canada and Alaska, Araneae: Philodromidae and Thomisidae. Research Branch, Agriculture Canada, Publ. 1663: 1-255.

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