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Latrodectism. The southern black widow spider (Latrodectus mactans), a cause of latrodectism. Specialty. Emergency medicine. Latrodectism (/ lætrəˈdɛktɪzəm /) 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.
Latrodectus mactans. (Fabricius, 1775) [1] 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 ...
Latrodectus is a broadly distributed genus of spiders with several species that are commonly known as the true widows. This group is composed of those often loosely called black widow spiders, brown widow spiders, and similar spiders. [3][4][5][6] However, the diversity of species is much greater. A member of the family Theridiidae, this genus ...
A black widow bite can look like countless other insect and spider bites, but if you suspect or know you’ve been bitten by one, it’s best to get checked out, Dr. Zahn says. Children, pregnant ...
Black widow and brown recluse spider bites can cause more severe symptoms and, in rare cases, death, the Centers for Disease Control and Prevention say. If you're bitten by one of these spiders ...
Redback spider. The redback spider (Latrodectus hasselti), also known as the Australian black widow, [2][3][4] is a species of highly venomous spider believed to originate in Australia but now, Southeast Asia and New Zealand, with colonies elsewhere outside Australia. [5] It is a member of the cosmopolitan genus Latrodectus, the widow spiders.
Latrodectus tredecimguttatus, also known as the Mediterranean black widow[2] or the European black widow, [3] is a species in the genus Latrodectus of the widow spiders. It is commonly found throughout the Mediterranean region, ranging from southern Iberia to southwest and central Asia, hence the name. Specimens from central Asia are also known ...
In rare cases, black widow spider bites can be fatal.” Brown recluse spiders Fredericks says these spiders are light to dark brown, with a characteristic dark brown, violin-shaped marking on ...