Nearctic States & Provinces: ON CO CT MT NH WY
Collection Locales Mapped by Year Collected:
The Nearctic Spider Database, http://www.canadianarachnology.org/data/spiders/31867
Xysticus discursans Keyserling, 1880
FAMILY: THOMISIDAE Sundevall, 1833
Genus: Xysticus C. L. Koch, 1835
Species: Xysticus discursans Keyserling, 1880
Author of this page: Shorthouse, David P. (Page is in progress)
Common Names
Family Common Name:
crab spiders
Genus Common Name:
ground crab spiders
Species Common Name:
none
Distribution
Global Distribution: North America
Nearctic States & Provinces:
ON CO CT MT NH WY
Collection Locales Mapped by Year Collected:
Natural History, Phenology & Image(s)
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.
Recorded Habitats:
grasslands and wooded areas
Life & Natural History:
(not yet recorded or unknown)
Seasonality of Specimen Records:
Image(s) of Habitus:
(images not yet available)
Details About Males
Description:
(not yet recorded or unknown)
Male Dimensions:
A+B = 3.8 mm
A = 2.03 mm
C = 2.01 mm
Image of External Male Genitalia:
(image not yet available)
Details About Females
Description:
(not yet recorded or unknown)
Female Dimensions:
A+B = 4.8 mm
A = 2.41 mm
C = 2.39 mm
Image of Epigynum:
Credit: Slowik, Joey
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.
Synonyms and Chresonyms†
| Xysticus discursans Keyserling 1880 |
| Xysticus vernalis Bryant 1930 |
| Xysticus discursans Gertsch 1934 |
| Xysticus discursans Gertsch 1939 |
| Xysticus discursans Chickering 1940 |
| Xysticus discursans Kaston 1948 |
| Xysticus discursans Gertsch 1953 |
| Xysticus discursans Turnbull, Dondale & Redner 1965 |
| Xysticus discursans Dondale & Redner 1978 |
| Xysticus discursans Paquin & Dupérré 2003 |
Taxonomic References†
Bryant, E. B. 1930. New species of the genus Xysticus. Psyche 37: 132-140.
Chickering, A. M. 1940. The Thomisidae (crab spiders) of Michigan. Pap. Michigan Acad. Sci. Arts Lett. 25: 189-237.
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.
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. 1934. Notes on American crab spiders (Thomisidae). Amer. Mus. Novit. 707: 1-25.
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.
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 accessible at http://research.amnh.org/entomology/spiders/catalog/THOMISIDAE.html
Other Nearctic Members of Genus Xysticus C. L. Koch, 1835‡‡
X. acquiescens Emerton, 1919 ...............Holarctic
X. alboniger Turnbull, Dondale & Redner, 1965 ...............USA, Canada
X. ampullatus Turnbull, Dondale & Redner, 1965 ...............USA, Canada
X. apachecus Gertsch, 1933 ...............USA
X. apalacheus Gertsch, 1953 ...............USA
X. aprilinus Bryant, 1930 ...............USA
X. auctificus Keyserling, 1880 ...............USA, Canada
X. audax (Schrank, 1803) ...............Palearctic
X. banksi Bryant, 1933 ...............USA
X. benefactor Keyserling, 1880 ...............USA, Canada
X. bicuspis Keyserling, 1887 ...............USA
X. bifasciatus C. L. Koch, 1837 ...............Palearctic
X. bonneti Denis, 1938 ...............Palearctic
X. britcheri Gertsch, 1934 ...............Russia, Alaska, Canada, USA
X. californicus Keyserling, 1880 ...............USA
X. canadensis Gertsch, 1934 ...............Russia, USA, Canada
X. chaparralis Schick, 1965 ...............USA
X. chippewa Gertsch, 1953 ...............Holarctic
X. cochise Gertsch, 1953 ...............USA
X. coloradensis Bryant, 1930 ...............USA
X. concursus Gertsch, 1934 ...............USA
X. cristatus (Clerck, 1757) ...............Palearctic
X. cunctator Thorell, 1877 ...............USA, Canada
X. deichmanni Sorensen, 1898 ...............Canada, Alaska, Greenland
X. durus (Sorensen, 1898) ...............USA, Canada, Greenland
X. elegans Keyserling, 1880 ...............USA, Canada, Alaska
X. ellipticus Turnbull, Dondale & Redner, 1965 ...............USA, Canada
X. emertoni Keyserling, 1880 ...............USA, Canada, Alaska, Slovakia to China
X. facetus O. P.-Cambridge, 1896 ...............Mexico to El Salvador
X. ferox (Hentz, 1847) ...............USA, Canada
X. ferrugineus Menge, 1876 ...............Palearctic
X. fervidus Gerstch, 1953 ...............USA, Canada
X. flavovittatus Keyserling, 1880 ...............USA
X. floridanus Banks, 1896 ...............USA
X. fraternus Banks, 1895 ...............USA, Canada
X. funestus Keyserling, 1880 ...............North America
X. furtivus Gertsch, 1936 ...............USA
X. gallicus Simon, 1875 ...............Palearctic
X. gertschi Schick, 1965 ...............North America
X. gosiutus Gertsch, 1932 ...............USA, Canada
X. gulosus Keyserling, 1880 ...............North America
X. humilis Redner & Dondale, 1965 ...............USA
X. imitarius Gertsch, 1953 ...............USA
X. indiligens (Walckenaer, 1837) ...............USA
X. iviei Schick, 1965 ...............USA
X. iviei sierrensis Schick, 1965 ...............USA
X. keyserlingi Bryant, 1930 ...............USA, Canada
X. labradorensis Keyserling, 1887 ...............Holarctic
X. lanio C. L. Koch, 1835 ...............Palearctic
X. lassanus Chamberlin, 1925 ...............USA, Mexico
X. laticeps Bryant, 1933 ...............USA, Cuba
X. lineatus (Westring, 1851) ...............Palearctic
X. locuples Keyserling, 1880 ...............USA, Canada
X. luctans (C. L. Koch, 1845) ...............USA, Canada
X. luctator L. Koch, 1870 ...............Palearctic
X. luctuosus (Blackwall, 1836) ...............Holarctic
X. lutzi Gertsch, 1935 ...............USA, Mexico
X. montanensis Keyserling, 1887 ...............USA, Canada, Alaska
X. nevadensis (Keyserling, 1880) ...............USA
X. nigromaculatus Keyserling, 1884 ...............USA, Canada
X. ninnii Thorell, 1872 ...............Palearctic
X. obscurus Collett, 1877 ...............Holarctic
X. ocala Gertsch, 1953 ...............USA
X. ontariensis Emerton, 1919 ...............Canada
X. orizaba Banks, 1898 ...............Mexico
X. paiutus Gertsch, 1933 ...............USA, Mexico
X. pearcei Schick, 1965 ...............USA
X. pellax O. P.-Cambridge, 1894 ...............North America
X. peninsulanus Gertsch, 1934 ...............USA
X. posti Sauer, 1968 ...............USA
X. pretiosus Gertsch, 1934 ...............USA, Canada
X. punctatus Keyserling, 1880 ...............USA, Canada
X. robinsoni Gertsch, 1953 ...............USA, Mexico
X. rockefelleri Gertsch, 1953 ...............Mexico
X. rugosus Buckle & Redner, 1964 ...............Russia, Canada, USA
X. sabulosus (Hahn, 1832) ...............Palearctic
X. sphericus (Walckenaer, 1837) ...............USA
X. striatipes L. Koch, 1870 ...............Palearctic
X. tampa Gertsch, 1953 ...............USA
X. texanus Banks, 1904 ...............USA, Mexico
X. triangulosus Emerton, 1894 ...............USA, Canada, Alaska
X. triguttatus Keyserling, 1880 ...............USA, Canada
X. ulmi (Hahn, 1831) ...............Palearctic
X. variabilis Keyserling, 1880 ...............USA
X. viduus Kulczynski, 1898 ...............Palearctic
X. winnipegensis Turnbull, Dondale & Redner, 1965 ...............Canada
‡‡May also include species with Palearctic distribution
Page Reference:
Shorthouse, David P. in prep. Taxonomic and natural history description of FAM: THOMISIDAE, Xysticus discursans Keyserling, 1880.
In: The Nearctic Spider Database. David P. Shorthouse (editor). World Wide Web electronic publication. Direct link: http://www.canadianarachnology.org/data/spiders/31867 (Accessed: 7/25/2008 10:22:42 AM).
Author Email Address: dshorthouse@eol.org
Text Last Modified: 2006-03-22T08:33:18Z