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Xysticus ampullatus Turnbull, Dondale & Redner, 1965

	FAMILY: THOMISIDAE Sundevall, 1833     Genus: Xysticus C. L. Koch, 1835         Species: Xysticus ampullatus Turnbull, Dondale & Redner, 1965
	Author: Hancock, John Page views: 889 Write a Review: Visitor Comments: (0)

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 ON NH OK
Collection Locales Mapped by Year Collected: (from the Nearctic Spider Database)

Specimen Search Specimen list 5, 6

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: Grassland, parkland, meadows and sparsely wooded areas. Can be collected from spruce branches that sweep the field layer.
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 dark red-brown; pale median area enclosing much red brown anterior to dorsal groove; each lateral area indistinctly divided by pale longitudinal bands. Legs mottled red-brown and off-white. Dorsum of abdomen with paired red brown areas separated by off-white lines. Has distinctly expanded ventral apophysis on the palpal tibia (Dondale & Redner, 1978).

Male Dimensions: A = 2.6 mm  A+B = 5.5 mm  C = 2.59 mm

Image of External Male Genitalia: email an image

Description: Carapace dark red-brown; pale median area enclosing much red brown anterior to dorsal groove; each lateral area indistinctly divided by pale longitudinal bands. Legs mottled red-brown and off-white. Dorsum of abdomen with paired red brown areas separated by off-white or yellow lines. Long, well-separated, nearly parallel atrial sclerites and large copulatory tubes to the epigynum (Dondale & Redner, 1978).

Female Dimensions: A = 3.37 mm  A+B = 7 mm  C = 2.72 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 ampullatus Turnbull, Dondale & Redner 1965 urn:lsid:ubio.org:namebank:2012195

Xysticus ampullatus Dondale & Redner 1978 urn:lsid:ubio.org:namebank:2107090

Xysticus ampullatus Paquin & Dupérré 2003 urn:lsid:ubio.org:namebank:9736748

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.

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

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

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