Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Arctosa littoralis

What kind of spider?? - Arctosa littoralis Arctosa littoralis river spider - Arctosa littoralis Sand Spider - Arctosa littoralis Beach Wolf Spider - Arctosa littoralis - female Pompilid prey - Arctosa littoralis small beach wolf spider - Arctosa littoralis Pardosa sp.? - Arctosa littoralis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Lycosidae (Wolf Spiders)
Genus Arctosa
Species littoralis (Arctosa littoralis)
Other Common Names
Beach Wolf Spider
Synonyms and other taxonomic changes

Arctosa littoralis (Hentz, 1844)
body length 11-15 mm (1)
Male Palps:

Female Epigynum:
Interior British Columbia to Nova Scotia, south to Panama.
sandy habitats--beaches, riverbanks, etc.
Life Cycle
Immature individuals have a dark "V" shape around the eyes, similar to other very young Wolf Spiders.
Examples: This is an adult female, with babies:
Eye Arrangement:
Print References
Howell and Jenkins, pp. 200-201, fig. 118 (1)
"Revision of the Wolf Spiders of the Genus Arctosa C. L. Koch in North and Central America (Araneae:Lycosidae)" by Charles D. Dondale and James H. Redner (2)
Internet References
Beetles in the Bush--Ghosts in the Night
Works Cited
1.Spiders of the Eastern US, A Photographic Guide
W. Mike Howell and Ronald L. Jenkins. 2004. pearson education.
2.Revision of the wolf spiders of the genus Arctosa
C. D. Dondale and J. H. Redner. 1983. J. Arachnol., 11:1-30.