Schizocosa mccooki

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Schizocosa mccooki
Schizocosa mccooki-1.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Lycosidae
Genus: Schizocosa
Species:
S. mccooki
Binomial name
Schizocosa mccooki
Montgomery, 1904 [1]
Synonyms
  • Lycosa mccookiMontgomery, 1904 [1]
  • Lycosa pacifica Banks, 1904 [2]
  • Lycosa tusapa Chamberlin, 1925 [3]
  • Schizocosa (Avicosa) wasatchensisChamberlin & Ivie, 1942 [4]
  • Avicosa wasatchensis Roewer, 1955 [5]

Schizocosa mccooki is a species of wolf spider in the family Lycosidae. They can be found from the west coast to western Lake Erie in western North America, including Canada, the United States, and Mexico. [6] [7] [8] [9]

Contents

Description

Schizocosa mccooki is a large wolf spider with the body length ranging between 9.1–15.5 mm (0.36–0.61 in) for males and 9.6–22.7 mm (0.38–0.89 in) for females. [6] The carapace ranges in color from gray to light brown with a pale median band, black lateral bands, and pale submarginal bands that sometimes extend to the margins. [6] [7] [8] The dorsum of the abdomen typically has a demarcated heart mark and dark transverse bars with a series of paired white spots, while the lateral areas are mottled yellow, brown, and black, with a few oblique black lines. [6] [7] [8] The venter ranges in color from reddish-brown to dark orange, but may also have may extensive black areas, particularly under the abdomen. [6] [7] Males and females have similar appearances, with the exception of darker tipped forelegs in females. [10]

Similar species

S. maxima and S. mccooki are virtually indistinguishable except by size. [6] S. maxima have a body length ranging between 16.1–20.3 mm (0.63–0.80 in) for males and 21–28.4 mm (0.83–1.12 in) for females. [6] [7] Recent phylogenomic work suggests that S. maxima may be a junior synonym of S. mccooki, however formal nomenclatural changes are pending future studies. [9]

Habitat

S. mccooki are widespread in open habitats such as grasslands, chaparral, the desert, and pinyon pine forests, among others. [7] [8] Some populations of this species have been observed digging burrows. [11] [8]

References

  1. 1 2 Montgomery, Thomas H. (1904). "Descriptions of North American Araneae of the families Lycosidae and Pisauridae". Proceedings of the Academy of Natural Sciences of Philadelphia . 56: 261–323. hdl: 2027/osu.32435012300505 – via Biodiversity Heritage Library.
  2. ↑ Banks, Nathan (1904-11-29). "Some Arachnida from California". Proceedings of the California Academy of Sciences . 3rd series, Zoology. 3: 331–376 – via Biodiversity Heritage Library.
  3. ↑ Chamberlin, Ralph V. (1925-07-31). "Diagnoses of new American Arachnida". Bulletin of the Museum of Comparative Zoology . 67: 209–248 – via Biodiversity Heritage Library.
  4. ↑ Chamberlin, Ralph V.; Ivie, Wilton (1942-06-30). "Diagnoses of new American Arachnida". Bulletin of the University of Utah . 32 (13): 1–117.
  5. ↑ Roewer, Carl F. (1955). Katalog der Araneae von 1758 bis 1940, bzw. 1954. 2. Band, Abt. a (Lycosaeformia, Dionycha [excl. Salticiformia]). 2. Band, Abt. b (Salticiformia, Cribellata) (Synonyma-Verzeichnis, Gesamtindex) [Catalogue of the Araneae from 1758 to 1940, or 1954. Volume 2, Section a (Lycosaeformia, Dionycha [excl. Salticiformia]). Volume 2, Section b (Salticiformia, Cribellata) (Synonym list, general index)](PDF) (in German). Bruxelles: Institut royal des Sciences naturelles de Belgique. p. 237. OCLC   3056352 – via World Spider Catalog.
  6. 1 2 3 4 5 6 7 Dondale, Charles D.; Redner, James H. (1978-02-01). "Revision of the Nearctic wolf spider genus Schizocosa (Araneida: Lycosidae)" (PDF). The Canadian Entomologist . 110 (2): 143–181. doi:10.4039/Ent110143-2. ISSN   0008-347X. S2CID   85394608 – via World Spider Catalog.
  7. 1 2 3 4 5 6 Adams, Richard John (2014). Field guide to the spiders of California and the Pacific Coast states. California Natural History Guides. Illustrated by Timothy D. Manolis. Berkeley, California: University of California Press. pp. 225–226. ISBN   978-0-520-27660-4.
  8. 1 2 3 4 5 Bradley, Richard Alan (2013). Common spiders of North America. Illustrated by Steve Buchanan. Berkeley, California: University of California Press. p. 161. ISBN   978-0-520-31531-0. OCLC   1088525865.
  9. 1 2 Starrett, James; Bui, Ashley; McGinley, Rowan H.; Hebets, Eileen A.; Bond, Jason E. (2021-09-01). "Phylogenomic Variation at the Population-Species Interface and Assessment of Gigantism in a Model Wolf Spider Genus (Lycosidae, Schizocosa)". Insect Systematics and Diversity . 5 (5): 1–13. doi: 10.1093/isd/ixab016 . ISSN   2399-3421.
  10. ↑ Starrett, James; McGinley, Rowan H.; Hebets, Eileen A.; Bond, Jason E. (2022-01-11). "Phylogeny and secondary sexual trait evolution in Schizocosa wolf spiders (Araneae, Lycosidae) shows evidence for multiple gains and losses of ornamentation and species delimitation uncertainty". Molecular Phylogenetics and Evolution . 169 107397. doi: 10.1016/j.ympev.2022.107397 . ISSN   1055-7903.
  11. ↑ Suttle, K. Blake (2003-12-01). "Burrow use in a northern California population of the wolf spider Schizocosa mccooki (Araneae, Lycosidae)". Journal of Arachnology . 31 (3): 433–436. doi:10.1636/0161-8202(2003)031[0433:BUIANC]2.0.CO;2. ISSN   0161-8202. S2CID   21093169 – via Biodiversity Heritage Library.
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