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Spiders of the United States — a type of air-breathing arthropods of the U.S., that have eight legs and fangs that inject venom. Only spiders of the continental US should be included; Hawaii and other Pacific islands belonging politically to the United States are placed in Category:Spiders of Oceania .
This category contains articles about spiders that have a North American native distribution, rather than being limited to particular regions or countries in North America. (Hawaii and other Pacific islands belonging politically to the United States are placed in Category:Spiders of Oceania .)
A number of spiders can cause spider bites that are medically important. Almost all spiders produce venom but only a few are able to cause significant harm to humans. [1] Two medically important spider genera have a worldwide distribution—Latrodectus and Loxosceles. Others have a limited distribution.
Now, however, it appears that non-orb spiders are a subgroup that evolved from orb-web spiders, and non-orb spiders have over 40% more species and are four times as abundant as orb-web spiders. Their greater success may be because sphecid wasps , which are often the dominant predators of spiders, much prefer to attack spiders that have flat webs.
Aphonopelma hentzi (Girard, 1852) – United States; Aphonopelma hesperum (Chamberlin, 1917) – Mexico; Aphonopelma icenoglei Hamilton, Hendrixson & Bond, 2016 – United States; Aphonopelma iodius (Chamberlin & Ivie, 1939) – United States; Aphonopelma johnnycashi Hamilton, 2016 – United States; Aphonopelma joshua Prentice, 1997 – United ...
This page was last edited on 13 February 2020, at 01:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Anyphaena hespar Platnick, 1974 — USA, Mexico; Anyphaena inferens Chamberlin, 1925 — Costa Rica, Panama; Anyphaena judicata O. Pickard-Cambridge, 1896 — USA to Guatemala; Anyphaena kurilensis Peelle & Saito, 1932 — Russia (Kurile Is.) Anyphaena lacka Platnick, 1974 — USA; Anyphaena leechi Platnick, 1977 — Mexico; Anyphaena maculata ...
Introduced to North America, Europe, Georgia, Russia (Europe to Far East), Central Asia, China, Korea, Japan Parasteatoda taiwanica Yoshida, 2015 — Taiwan Parasteatoda tepidariorum (C. L. Koch, 1841) ( type ) — South America.