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Genus Colonus

jumper 2000' - Colonus hesperus - male Spider - Colonus sylvanus - male Jumping spider - Colonus sylvanus - male Jumping spider - Colonus sylvanus - male Do I know you? Thiodina hespera, right? - Colonus hesperus Do I know you? Thiodina hespera, right? - Colonus hesperus Jumping Spider - Colonus sylvanus - female Salticid - Colonus sylvanus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Salticidae (Jumping Spiders)
Genus Colonus
Synonyms and other taxonomic changes

All three species were previously placed in the genus Thiodina.
Numbers
There are 3 species in BugGuide's range (North America north of Mexico).
Identification
One helpful diagnostic character for this genus is the presence of two pairs of ventral bulbous setae on tibia I, seen on a preserved specimen here:



This character is apparently present on both adults and immature spiders.

In the eastern species, male C. puerperus and male C. sylvanus can be distinguished by the shape of the white blotch on the dorsal surface of the cephalothorax. It is more of a longitudinal line in C. puerperus and a circle/square in C. sylvanus.



Additional notes on distinguishing eastern Colonus males can be found here or in Hill, 2018 (1).
Range
Colonus hesperus can be found from New Mexico to California in BugGuide's range. (2)
Colonus puerperus can be found in the eastern half of the United States.(2)
Colonus sylvanus can be found in the eastern half of the United States.(2)
Print References
Hill, D. E. 2018. Notes on the jumping spiders Colonus puerperus (Hentz 1846) and Colonus sylvanus (Hentz 1846) in the southeastern United States (Araneae: Salticidae: Amycoida: Gophoini). Peckhamia 99.2: 1-63.

Richman, D.B. and R.S. Vetter, 2004. A review of the spider genus Thiodina (Araneae, Salticidae) in the United States. The Journal of Arachnology 32(3):418-431. A download is available on the AAS website.