Dimpled Double-spurred Money Spider

Diplocentria bidentata

General Status Rank: 
Secure
Common Name: 
Dimpled Double-spurred Money Spider
Scientific Name: 
Diplocentria bidentata
Synonyms: 
Eulaira tigana
Tmeticus bidentatus
Linyphia rivalis
Diplocentria rivalis
Scotoussa bidentata
Taxonomy
Group: 
Arachnid (Spider)
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Arachnida
Order: 
Araneae
Family: 
Linyphiidae
General Biology

Female Age at Maturity

Across their range, adult females have been recorded between April and November, and males from April through December (Millidge 1984).
Habitat
Grass, meadows, weeds, moss, litter, spruce/fir and mixed forests, and boggy and marshy areas (Millidge 1984).
Distribution

Distribution

Holarctic in distribution. Widespread in the northern half of North America, extending south into the mountains of Wyoming, Utah, and Colorado (Millidge 1984).

Number of Occurrences

There are a total of approximately 57 records of this species from the NWT. Millidge (1984) notes seven records; from Norman Wells, Wrigley, Fort Simpson, the Yellowknife area, Hay River, Fort Resolution, and northeast of Fort Providence. Loboda et al. (2013) recorded an unknown number of occurrences from Norman Wells and Yellowknife. GBIF includes a further 48 records, all from Wood Buffalo National Park. References: (1) Millidge, A.F. 1984. The Erigonine Spiders of North America. Part 7. Miscellaneous genera (Araneae, Linyphiidae). Journal of Arachnology, 12(2): 121-169. (2) Loboda et al. 2013. Unpublished spider data from Northern Biodiversity Program. (3) https://www.gbif.org/occurrence/search?country=CA&taxon_key=2134510&occurrence_status=present&gadm_gid=CAN.6_1
General Status Rank
Rank: 
Secure
Status Rank Description: 
Probably secure. Regional experts consider this species to be common in the NWT.
S Rank: 
S4S5
Decision Process Description: 
Originally ranked in 2010. Rank reviewed in 2014 by R. Bennett; modified from Undetermined to Secure. Reviewed by R. Bennett in 2023; no change.
Last Updated: 
August 29, 2024
Status Designations

Canada – Assessment by Committee on the Status of Endangered Wildlife in Canada

COSEWIC Status: 
-

References