Haplodrassus bicornis (Emerton, 1909)
| FAMILY: GNAPHOSIDAE Pocock, 1898 Genus: Haplodrassus Chamberlin, 1922 Species: Haplodrassus bicornis (Emerton, 1909)  |
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Common Names
Family Common Name:
stealthy ground spiders
Genus Common Name:
none
Species Common Name:
none
Point Collections & Seasonality
Global Distribution: USA, Canada
Nearctic States & Provinces: 
AB ON CO NH
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Seasonality
Specimen Search
Specimen list |
, 6
Natural History & Image(s)
Feeding Guild:† ground runners
†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
Habitat (published): (not yet published or unknown)
Habitat (<30 randomly chosen specimens): Lodgepole Pine closed Forest; reclaimed mine tailings;
Life & Natural History: (not yet recorded or unknown)
Image(s) of Habitus: 
email an image
Details About Males
Description: (not yet recorded or unknown)
| Male Dimensions: (Dimensions not yet available) |
Image of External Male Genitalia: email an image |
Details About Females
Description: (not yet recorded or unknown)
| Female Dimensions: (Dimensions not yet available) |
Image of Epigynum: email an image |
Synonyms and Chresonyms‡
Taxonomic References‡
Chamberlin, R. V. 1936. Records of North American Gnaphosidae with descriptions of new species. Amer. Mus. Novit. 841: 1-30.
Chamberlin, R. V. 1922. The North American spiders of the family Gnaphosidae. Proc. biol. Soc. Wash. 35: 145-172.
Emerton, J. H. 1909. Supplement to the New England Spiders. Trans. Connect. Acad. Arts Sci. 14: 171-236.
Levi, H. W. & H. M. Field. 1954. The spiders of Wisconsin. Am. Midl. Nat. 51: 440-467. 
Paquin, P. & N. Dupérré. 2003. Guide d'identification des araignées de Québec. Fabreries, Suppl. 11 1-251.
Platnick, N. I. & C. D. Dondale. 1992. The insects and arachnids of Canada, Part 19. The ground spiders of Canada and Alaska (Araneae: Gnaphosidae). Research Branch, Agriculture Canada, Publ. 1875: 1-297.
Platnick, N. I. & M. U. Shadab. 1975. A revision of the spider genera Haplodrassus and Orodrassus (Araneae, Gnaphosidae) in North America. Am. Mus. Novit. 2583: 1-40.
‡Nomenclature and taxonomic references from the World Spider Catalog
Latest Literature from uBio: 