The traps have a sweet scent that attract the spiders and then kill them with surprisingly efficacy. The black widow (northern, southern, and western varieties) are the most well-known of these famous poisonous species, but there are also brown widow and red widow spiders you should be aware of. Spider Bites: The bite of a brown widow spider is minor in comparison to that of a black widow. Although one frequently cited study demonstrates that, drop per drop, brown widow spider venom is as toxic as other widow species, venom toxicity is only one aspect when considering a spider's bite potential. Latrodectus geometricus is also known as the brown widow because it is brown and because all widow spiders are mistakenly thought to eat the male after mating. All the widow spiders are dark brown or shiny black with red hour-glass shaped markings on the abdomen of the female spider (only females have a dangerous bite). These are available online just by using your favorite search engine. Widow spiders. New research suggests the same might be said for brown widow spiders (Latrodectus geometricus). Black widow food. The female spider hangs upside down from her web as she waits for her prey. The most effective way to get rid of brown recluse spiders is by using a brown recluse spider trap. Like many spiders, the black widow spider eats other arachnids and insects that get caught in their webs. While most folks wouldn't expect to see a spider on the menu, plenty of animals and insects are perfectly happy to catch a spider and chow down for an appetizing meal. The Brown widow spider grows to … Even the ones that are benign to humans are potent enough to kill small insects and other spiders. The Brown Widow spider has a medically significant venom, there venom is twice as potent as the Black Widow, but it is usually confined to the bite area and affecting the surrounding tissue. The spider is well known in the United States, Australia, and South Africa. This cousin of the dreaded black widow spider is a sexual cannibal — male spiders go through an elaborate rigmarole in order to coax a female into mating with them, even though there's a good chance she'll end up eating them. How big is the Brown Widow Spider? The faster the spider is at biting, the higher the chances … Other spiders, parasitic wasps, birds, lizards, frogs and, yes, even some humans eat spiders as part of their regular diet. With spiders it mostly depends on who bites first. All spiders are venomous to some extent.