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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. [citation needed]
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 ...
“The northern black widow, ... If you've been knowingly bitten by a black widow spider, you can expect mild discomfort at the bite area and immediately seek medical treatment. Symptoms you may ...
Latrodectism (/ l æ t r ə ˈ d ɛ k t ɪ z əm /) is the illness caused by the bite of Latrodectus spiders (the black widow spider and related species). Pain, muscle rigidity, vomiting, and sweating are the symptoms of latrodectism.
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 ...
The image depicts a male southern black widow spider. The female northern black widow is similar in color and size to its northern counterpart, but instead of an hourglass, the red on its body ...
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 ...
Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, [citation needed] is a venomous species of spider in the genus Latrodectus. The females are well known for their distinctive black and red coloring and for the fact that they will occasionally eat their mates after reproduction.