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 …

The Black Widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom (a toxin that acts specifically on nerve cells). The Black Widow Spider is a large widow spider found …

Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in …

Latrodectus geometricus, commonly known as the brown widow, [2][3] brown button spider, grey widow, brown black widow, [3] house button spider or geometric button spider, is one of the …

Feb 12, 2025 · black widow, (genus Latrodectus), any of about 30 species of comb-footed spiders distinguished by an hourglass-shaped marking on the abdomen and known for the venomous …

Aug 16, 2021 · Latrodectus spiders are the largest of the Theridiidae (cobweb weaver) spiders. The size of a Latrodectus can vary across species. Please refer to specific species for more …

Dec 13, 2022 · Undisturbed woods, in stumps, or in stone walls. Caution: This spider is venomous and can harm people. However, the female injects such a small dose of venom that it rarely …

Latrodectus spiders play a significant role in controlling the population of small insects, contributing to the ecological balance. They exhibit solitary behavior and are known for their …

Aug 30, 2018 · The black widow spider (Latrodectus mactans) is probably the most feared spider in North America. Its venomous bite is excruciating, and the spider gets its name because …

Latrodectus, commonly known as Widow Spiders, is a genus of spiders in the family Theridiidae. Latrodectus spiders have been sighted 243 times by contributing members. Based on …