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Species Atypus karschi

Atypus snetsingeri - removed from its purseweb - Atypus karschi Two pursewebs at base of small beech tree - Atypus karschi Two pursewebs at base of small beech tree - excavated - Atypus karschi Four tubes (purse-webs) on a single small beech tree - Atypus karschi Atypus snetsingeri - Atypus karschi Atypus snetsingeri - Atypus karschi Male of PA purseweb spider - Atypus karschi - male - female Male of PA purseweb spider - Atypus karschi - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Mygalomorphae (Mygalomorphs)
Family Atypidae (Purseweb Spiders)
Genus Atypus
Species karschi (Atypus karschi)
Synonyms and other taxonomic changes
Atypus snetsingeri synonymized with Atypus karschi by "Řezáč et al., 2022".(1)
Explanation of Names
Dönitz, 1887

Female with male.
Korea, China, Taiwan, Japan. Introduced in USA(2); Chester, Delaware, Montgomery, and Philadelphia Counties in Pennsylvania(1)
"In Pennsylvania this species is found in protected riparian woodlands, brushy woodlots and at least one mowed field, and is also reliably found in some suburban neighborhoods where webs are built at the base of shrubs or along walls and fences."(1)
Internet References
Sarno, P. 1973. A new species of Atypus (Araneae: Atypidae) from Pennsylvania. Entomological News, 84: 37-51.

World Spider Catalog (2022). World Spider Catalog. Version 23.5. Natural History Museum Bern, online at, accessed on July 25, 2022.
Works Cited
1.Atypus karschi Dönitz, 1887 (Araneae: Atypidae): an Asian purse-web spider established in Pennsylvania, USA
Řezáč, M., Tessler, S., Heneberg, P., Herrera, I. M. A., Gloríková, N., Forman, M., Řezáčová, V. & Král, J. . 2022. PLoS One 17(7, e0261695): 1-21.
2.World Spider Catalog