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Latrodectus variolus, the northern black widow spider or northern widow, is a venomous species of spider in the genus Latrodectus of the family Theridiidae. The population is closely related to the southern black widow, Latrodectus mactans , and the western black widow, Latrodectus hesperus , of the genus.
The southern widow is primarily found in (and is indigenous to) the southeastern United States, ranging as far north as Ohio and as far west as Texas. [9] The northern black widow (L. variolus) is found primarily in the middle Atlantic states, though its range overlaps with that of L. mactans.
Elsewhere, others include the European black widow (Latrodectus tredecimguttatus), the Australian redback spider (Latrodectus hasseltii) and the closely related New Zealand katipō (Latrodectus katipo), several different species in Southern Africa that can be called button spiders, and the South American black-widow spiders (Latrodectus ...
While many black widow species are recognized throughout the U.S. and the world at large, the southern black widow is primarily found in Pennsylvania. Its relative, the northern black widow, can ...
Of the four venomous spiders in South Carolina, three are from the widow family: the southern black widow, the northern black widow and the brown widow, according to the Clemson University ...
In the United States, there are five species of black widow spiders: the northern, southern and western varieties most commonly found in the regions they’re named for, as well as red and brown ...
Of the four venomous spiders in South Carolina, three are from the widow family: the southern black widow, the northern black widow and the brown widow, according to the Clemson University ...
Conversely, redback and North American black widows live in proximity with people and several hundred black widow bites are reported to Poison Control in the United States each year. Of the bites reported in the United States from 2001 to 2005, approximately 31% were treated in a health care facility, 0.5% had major complications, and none were ...