The Nearctic Spider Database, http://www.canadianarachnology.org/data/spiders/27565

Micaria riggsi Gertsch, 1942

FAMILY: GNAPHOSIDAE Pocock, 1898
    Genus: Micaria Westring, 1851

        Species: Micaria riggsi Gertsch, 1942

Common Names

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

Distribution

Global Distribution: USA, Canada
Nearctic States & Provinces:   ON AZ CO
Collection Locales Mapped by Year Collected: 


Natural History, Phenology & 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.
Recorded Habitats:  (not yet recorded or unknown)
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)

Image of External Male Genitalia:  (image not yet available)

Details About Females

Description:  (not yet recorded or unknown)

Image of Epigynum:  (image not yet available)

Synonyms and Chresonyms

Micaria riggsi Gertsch 1942
Micaria riggsi Kaston 1948
Micaria riggsi Platnick & Shadab 1988
Micaria riggsi Platnick & Dondale 1992
Micaria riggsi Paquin & Dupérré 2003

Taxonomic References

Gertsch, W. J. 1942. New American spiders of the family Clubionidae III. Am. Mus. Novit. 1195: 1-18.

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

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. 1988. A revision of the American spiders of the genus Micaria (Araneae, Gnaphosidae). Am. Mus. Novit. 2916: 1-64.

Nomenclature and taxonomic references from the World Spider Catalog accessible at http://research.amnh.org/entomology/spiders/catalog/GNAPHOSIDAE.html

Other Nearctic Members of Genus Micaria Westring, 1851‡‡

M. aenea Thorell, 1871 ...............Holarctic
M. albovittata (Lucas, 1846) ...............Palearctic
M. alpina L. Koch, 1872 ...............Holarctic
M. browni Barnes, 1953 ...............USA
M. capistrano Platnick & Shadab, 1988 ...............USA, Mexico
M. cimarron Platnick & Shadab, 1988 ...............USA
M. coloradensis Banks, 1896 ...............USA, Canada
M. constricta Emerton, 1894 ...............Holarctic
M. delicatula Bryant, 1941 ...............USA
M. deserticola Gertsch, 1933 ...............USA, Mexico
M. dives (Lucas, 1846) ...............Palearctic
M. elizabethae Gertsch, 1942 ...............USA, Canada
M. emertoni Gertsch, 1935 ...............North America
M. formicaria (Sundevall, 1831) ...............Palearctic
M. foxi Gertsch, 1933 ...............USA, Canada
M. gertschi Barrows & Ivie, 1942 ...............USA, Canada
M. gosiuta Gertsch, 1942 ...............USA, Mexico
M. guttulata (C. L. Koch, 1839) ...............Palearctic
M. icenoglei Platnick & Shadab, 1988 ...............USA
M. idana Platnick & Shadab, 1988 ...............USA, Canada
M. imperiosa Gertsch, 1935 ...............USA, Mexico
M. jeanae Gertsch, 1942 ...............USA, Mexico
M. langtry Platnick & Shadab, 1988 ...............USA
M. lassena Platnick & Shadab, 1988 ...............USA
M. laticeps Emerton, 1909 ...............USA, Canada
M. lenzi Bösenberg, 1899 ...............Palearctic
M. longipes Emerton, 1890 ...............North America
M. longispina Emerton, 1911 ...............USA, Canada
M. medica Platnick & Shadab, 1988 ...............USA, Canada
M. mormon Gertsch, 1935 ...............North America
M. nanella Gertsch, 1935 ...............USA, Mexico
M. nye Platnick & Shadab, 1988 ...............USA, Mexico
M. otero Platnick & Shadab, 1988 ...............USA
M. palliditarsa Banks, 1896 ...............USA, Mexico
M. palma Platnick & Shadab, 1988 ...............USA
M. pasadena Platnick & Shadab, 1988 ...............USA, Mexico
M. porta Platnick & Shadab, 1988 ...............USA, Mexico
M. pulicaria (Sundevall, 1831) ...............Holarctic
M. punctata Banks, 1896 ...............USA
M. rossica Thorell, 1875 ...............Holarctic
M. seminola Gertsch, 1942 ...............USA
M. silesiaca L. Koch, 1875 ...............Palearctic
M. subopaca Westring, 1861 ...............Palearctic
M. triangulosa Gertsch, 1935 ...............USA
M. tripunctata Holm, 1978 ...............Holarctic
M. utahna Gertsch, 1933 ...............USA
M. vinnula Gertsch & Davis, 1936 ...............USA

‡‡May also include species with Palearctic distribution