If the person chases the brown recluse, it will most often run and hide. īrown recluse spiders are afraid of people, and usually if they see one they stand still. A spider that has been sprayed might even become vicious. Bug sprays and pest killers usually are not good for killing them, except for some kinds that are against the law to use. īecause these spiders are so good at surviving in hard times, it is very hard to get rid of them. The spider can still walk around with only four legs, as long as there is still one leg on each side. If they get their leg caught in something, such as a crack or a predator's mouth, they can drop the leg. They are also very good at surviving in people's homes during cold winters. They can go without food or water for more than a year. The blood cannot flow through their legs while they walk, so they must stop every few seconds to allow the blood to flow.īrown recluses are very good at survival. They can walk upside-down, but most brown recluses walking on ceilings have probably come from the upstairs floor. They usually do not climb unless they are running from something. They hide during the daytime and sleep, and at night they come out to hunt. Behaviorīrown recluse spiders are hunting spiders, so they spend most of the time on the ground. Some brown recluses can go for five seasons with no food or water. Its fangs contain a deadly venom that kills the prey very quickly.īrown recluses can go without food or water for a very long time. Once it is close enough, it pounces on the prey and sinks its fangs into the prey. When preying, the brown recluse slowly creeps toward its prey. When mating, a female brown recluse will try to eat the male. They are cannibals and will not hesitate to eat each other. They eat soft-bodied insects (like moths or flies) and other spiders. Foodīrown recluse spiders are insectivores. However, they do not move very far from their colony, which is usually not well- established in the new place. Sometimes brown recluses sent through the mail set up colonies in warehouses. However, spider experts have found brown recluses sent through the mail rarely start a new colony in their new home, partly because there are no other brown recluses for them to mate with. Brown recluses can hide inside these boxes and might make their home wherever the package is opened. Sometimes, people mail boxes without checking them first for spiders. These are places where people are less likely to bother them, and they have lots of good hiding places, like cardboard boxes. Brown recluses that live in houses usually like garages, basements, and attics. Wild brown recluse spiders live in hollowed rotting tree trunks and logs. Brown recluse spiders like dry, dark areas that have good hiding places. live in the woods, and spiders in the north east part live inside houses. Spiders living in the south west part of the U.S. Scientists who study brown recluses and their relatives can even identify relatives of the brown recluse by studying the shapes of the sex organs.īrown recluse spiders only live in the United States. This is perhaps the only way to easily tell a male from a female. The female has her sex organs on the underside of her body. These fattened pedipalps serve as the sex organs for the male. The pedipalps on the male have much larger ends than the ones on females. Spiders have a set of appendages on their faces called pedipalps. Male and female brown recluses can be identified once the spider has molted several times. They have six eyes, which is an unusual number of eyes for a spider. Not including its legs, it can grow to about 2 cm (0.79 in) long. Sometimes it is called the violin spider since its head has a darker mark on it that looks like a violin. The brown recluse spider can be light brown, dark brown, or even gray. The "recluse" part is because this spider is very shy and runs away from humans. The "slanted leg" part comes from the fact that these spiders have their legs touching the ground at an angle instead of straight up and down. The scientific name of the spider Loxosceles reclusa comes from words that mean "slanted leg recluse".
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