Nearctic States & Provinces: AB MT
Collection Locales Mapped by Year Collected:
The Nearctic Spider Database, http://www.canadianarachnology.org/data/spiders/32653
Chalcoscirtus carbonarius Emerton, 1917
FAMILY: SALTICIDAE Blackwall, 1841
Genus: Chalcoscirtus Bertkau, 1880
Species: Chalcoscirtus carbonarius Emerton, 1917
Author of this page: Hancock, John (Page complete and awaiting review)
General Comments: Carapace, jet shiny black. Abdomen slate matt grey, no scutum. All legs a bark brown. Females can be distinguished from other species by the copulatory tubes being long with a double curve. This species also has received the common name, black jack.
Common Names
Family Common Name:
jumping spiders
Genus Common Name:
none
Species Common Name:
none
Distribution
Global Distribution: USA, Canada, Russia
Nearctic States & Provinces:
AB MT
Collection Locales Mapped by Year Collected:
Natural History, Phenology & Image(s)
Feeding Guild:‡
stalkers
‡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:
A specimen has been collection in an alpine riparian habitat at 2,209 m (Hancock, pers. obs.).
Life & Natural History:
Collected from Carthew Lake at 2209m, under slabs of sandstone, part of a ridge that holds back the waters of the lake. Site having a south/west aspect and a gentle slope of 3%. The lake’s level is maintained be melting snow. August 13th was the date of collection and both adult females and males were taken (with great care). Sub-adults of both sexes were also present as were spiderlings, fully pigmented within egg-sacs. This species was discovered in 1917, and there is still a thriving community here.
Seasonality of Specimen Records:
Image(s) of Habitus:
Credit: Hancock, John
Details About Males
Description:
Male, Carapace Shiny jet black,. Abdomen, shiny jet -black scutum covering dorsal portion. Males can be distinguished from other species by the forked tibial apophysis.
Male Dimensions:
A+B = 3 mm
A = 1.3 mm
C = 0.9 mm
Image of External Male Genitalia:
Credit: Hancock, John
Details About Females
Description:
Carapace, jet shiny black. Abdomen slate matt grey, no scutum. All legs a bark brown. Females can be distinguished from other species by the copulatory tubes being long with a double curve.
Female Dimensions:
A+B = 3.7 mm
A = 1.5 mm
C = 1.07 mm
Image of Epigynum:
Credit: Hancock, John
Synonyms and Chresonyms†
| Chalcoscirtus carbonarius Emerton 1917 |
| Chalcoscirtus carbonarius Swann & Robey 1975 |
| Chalcoscirtus carbonarius Prószynski 1987 |
| Chalcoscirtus carbonarius Cutler 1990 |
| Chalcoscirtus carbonarius Marusik 1990 |
Taxonomic References†
Cutler, B. 1990. A revision of the western hemisphere Chalcoscirtus (Araneae: Salticidae). Bull. Br. arachnol. Soc. 8: 105-108.
Emerton, J. H. 1917. New spiders from Canada and the adjoining states. Canad. Ent. 49: 261-272.
Marusik, Y. M. 1990. Spider genus Chalcoscirtus (Aranei, Salticidae) from the USSR: Communication 1. Zool. Zh. 69(6): 45-57.
Prószynski, J. 1987. Atlas rysunkow diagnostycznych mniej znanych Salticidae 2. Zeszyty Naukowe Wyzszej Szkoly Rolniczo-Pedagogicznej, Siedlcach.
Swann, P. H. & C. Robey. 1975. A redescription of the North American jumping spider Chalcoscirtus carbonarius Emerton 1917. Bull. Br. arachnol. Soc. 3: 101-104.
†Nomenclature and taxonomic references from the World Spider Catalog accessible at http://research.amnh.org/entomology/spiders/catalog/SALTICIDAE.html
Other Nearctic Members of Genus Chalcoscirtus Bertkau, 1880‡‡
C. alpicola (L. Koch, 1876) ...............Holarctic
C. diminutus (Banks, 1896) ...............USA
C. glacialis Caporiacco, 1935 ...............Russia to India and Alaska
C. nigritus (Thorell, 1875) ...............Palearctic
‡‡May also include species with Palearctic distribution
Page Reference:
Hancock, John. submitted. Taxonomic and natural history description of FAM: SALTICIDAE, Chalcoscirtus carbonarius Emerton, 1917.
In: The Nearctic Spider Database. David P. Shorthouse (editor). World Wide Web electronic publication. Direct link: http://www.canadianarachnology.org/data/spiders/32653 (Accessed: 10/13/2008 1:01:52 PM).
Author Email Address: spidermanjohn@shaw.ca
Text Last Modified: 2006-02-03T21:17:14Z