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Bassaniana versicolor (Keyserling, 1880)

	FAMILY: THOMISIDAE Sundevall, 1833     Genus: Bassaniana Strand, 1928         Species: Bassaniana versicolor (Keyserling, 1880)
	Author: Shorthouse, David P. Page views: 798 Write a Review: Visitor Comments: (1)

General Comments: Infertile hybrids between Bassaniana versicolor (Keyserling, 1880) and Bassaniana utahensis (Gertsch, 1932) are known in southern Ontario and adjoining States. Specimens of all three forms have been collected under bark scales on many kinds of trees. The range of of Bassaniana versicolor (Keyserling, 1880) is thought to be more restricted than that of Bassaniana utahensis (Gertsch, 1932) (Dondale & Redner, 1978).

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

Global Distribution: North America
Nearctic States & Provinces: (from the Nearctic Spider Database)   QC CO FL PA SC UT
Collection Locales Mapped by Year Collected: (from the Nearctic Spider Database)

Specimen Search Specimen list 19, 4

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: under bark scales of trees
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: The carapace and legs are brown and mottled with yellow and off-white flecks. The dosal surface of the abdomen is flecked with brown, yellow, and off-white. Palp: The retrolateral apophysis has a terminal spur. The embolus is long, thin, and curved and the pars pendula (a concave region at the base of the embolus) not reaching the midline of the tegulum (Dondale & Redner, 1978).

Male Dimensions: A = 2.96 mm  A+B = 4.72 mm  C = 3 mm

Image of External Male Genitalia: email an image

Description: The colour and structure of females are similar to that of males, but are usually paler with diffuse spots or flecks of colour. Epigynum: The median septum has a longer than wide median septum. The spermathecae are approximately kidney shaped, grooved, and close together. The copulatory tubes, which distinguishes this species from other members of this genus, are fully visible along their whole length between the spermathecae (Dondale & Redner, 1978).

Female Dimensions: A = 3.92 mm  A+B = 5.77 mm  C = 3.24 mm

Image of Epigynum: email an image

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.

Bassaniana versicolor Keyserling 1880 urn:lsid:ubio.org:namebank:9738029

Coriarachne versicolor Keyserling 1880 urn:lsid:ubio.org:namebank:2102754

Coriarachne versicolor Banks 1892 urn:lsid:ubio.org:namebank:2102755

Coriarachne versicolor Emerton 1892 urn:lsid:ubio.org:namebank:2102756

Xysticus versicolor Simon 1895 urn:lsid:ubio.org:namebank:2102758

Bassania aemula O. P.-Cambridge 1898 urn:lsid:ubio.org:namebank:2102759

Xysticus versicolor Emerton 1902 urn:lsid:ubio.org:namebank:2102760

Coriarachne versicolor Comstock 1912 urn:lsid:ubio.org:namebank:2102761

Bassaniana aemula Strand 1928 urn:lsid:ubio.org:namebank:2102762

Coriarachne versicolor Simon 1932 urn:lsid:ubio.org:namebank:2102764

Platyxysticus versicolor Gertsch 1932 urn:lsid:ubio.org:namebank:2102763

Coriarachne versicolor Gertsch 1939 urn:lsid:ubio.org:namebank:2102765

Coriarachne versicolor Comstock 1940 urn:lsid:ubio.org:namebank:2102766

Coriarachne versicolor Muma 1943 urn:lsid:ubio.org:namebank:2102768

Coriarachne lenta Chamberlin & Ivie 1944 urn:lsid:ubio.org:namebank:2102769

Coriarachne versicolor Kaston 1948 urn:lsid:ubio.org:namebank:2102770

Coriarachne aemula Gertsch 1953 urn:lsid:ubio.org:namebank:2102772

Coriarachne versicolor Gertsch 1953 urn:lsid:ubio.org:namebank:2102771

Coriarachne versicolor Bowling & Sauer 1975 urn:lsid:ubio.org:namebank:2102773

Coriarachne versicolor Dondale & Redner 1978 urn:lsid:ubio.org:namebank:2102774

Bassaniana versicolor Ono 1988 urn:lsid:ubio.org:namebank:9736312

Bassaniana versicolor Paquin & Dupérré 2003 urn:lsid:ubio.org:namebank:2009775

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

Bowling, T. A. & R. J. Sauer. 1975. A taxonomic revision of the crab spider genus Coriarachne (Araneida, Thomisidae) for North America north of Mexico. J. Arachnol. 2: 183-193.

Cambridge, O. P.-. 1898. Arachnida. Araneida. In Biologia Centrali-Americana, Zoology. London, 1: 233-288.

Chamberlin, R. V. & W. Ivie. 1944. Spiders of the Georgia region of North America. Bull. Univ. Utah 35(9): 1-267.

Chickering, A. M. 1940. The Thomisidae (crab spiders) of Michigan. Pap. Michigan Acad. Sci. Arts Lett. 25: 189-237.

Comstock, J. H. 1940. The spider book, revised and edited by W. J. Gertsch. Cornell Univ. Press, Ithaca, xi + 727 pp.

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. 1902. The common spiders of the United States. Boston, pp. 1-225.

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

Gertsch, W. J. 1953. The spider genera Xysticus, Coriarachne and Oxyptila (Thomisidae, Misumeninae) in North America. Bull. Am. Mus. Nat. Hist. 102: 415-482.

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.

Gertsch, W. J. 1932. A new generic name for Coriarachne versicolor Keyserling, with new species. Amer. Mus. Novit. 563: 1-7.

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.

Muma, M. H. 1943. Common spiders of Maryland. Natural History Society of Maryland, Baltimore, 179 pp.

Ono, H. 1988. A revisional study of the spider family Thomisidae (Arachnida, Araneae) of Japan. National Science Museum, Tokyo, ii + 252 pp.

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

Simon, E. 1932. Les arachnides de France. Tome VI. Synopsis générale et catalogue des espèces françaises de l'ordre des Araneae; 4e partie. Paris, 6: 773-978.

Simon, E. 1895. Histoire naturelle des araignées. Paris, 1: 761-1084.

Strand, E. 1928. Miscellanea nomenclatorica zoologica et palaeontologica, I-II. Arch. Naturg. 92(A8): 30-75.

^‡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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