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But before we do, it’s important to note that even if you do find a brown recluse, it’s not that big a deal. One concern that is often raised when discussing spiders is the fear of encountering a venomous species. While the Brown Recluse Spider is known for its venomous bite, it is important to remember that bites are rare and typically occur when the spider feels threatened or trapped. One interesting trend related to these two spider species is their prevalence in urban environments. As urbanization continues to expand, both the Brown Recluse Spider and the House Spider have adapted to living in close proximity to humans.
Northern Yellow Sac Spider
The difference between the two can be hard to tell at first glance. But this quick read can help you get a headstart on identifying these repulsive and dangerous household pests. Also, a fair warning, you should never get close to a spider or try to tackle it without knowing its kind because some of them can be dangerous and poisonous. There are more than 40,000 spider species in the world, and their bites can be pretty fatal for humans and, if left untreated, can even cause death. House spiders can’t see very well and can only detect movements within a three to 4 inches radius. Similar to brown recluses, house spiders also sometimes feign death to avoid attacks.
What are brown recluse spiders?
One of the most noticeable differences between these two spiders is their size. Brown Recluse spiders are typically smaller, measuring around 0.25 to 0.5 inches (6 to 12 mm) in body length. House Spiders, on the other hand, tend to be larger, with a body length ranging from 0.25 to 0.4 inches (6 to 10 mm) but can appear more substantial due to their longer legs. The brown recluse spider (Loxosceles reclusa) is arguably the most feared and most misunderstood spider species in North America. So, here we will find out how to tell if a spider is not a brown recluse.
Brown Recluse vs House Spider: Size
The spider will never have two colors, they will always be one uniform color. In the brown recluse, this is where the spider has a brown violin shape with the neck of the violin pointing towards the back of the spider. Most spiders have eight eyes, but the brown recluse only has six, which helps with identification. The eyes are arranged in pairs, set in a semicircle on the front of the head space. Thankfully, proof.’s trained technicians can easily handle any problematic infestation and protect your family from these eight-legged pests. Plus, if you sign up for our Pest-Free Guarantee service, we visit your house seasonally, removing cobwebs and applying indoor and outdoor pest control treatments.
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A brown recluse's stance on a flat surface is usually with all legs radially extended. The pedipalps in mature specimens are dark and quite prominent and are normally held horizontally forward. When running, the brown recluse does not leave a silk line behind, which would make it more easily tracked when it is being pursued. Movement at virtually any speed is an evenly paced gait with legs extended.
Compact, furry, and with distinctive markings, the jumping spider can be found on walls and windowsills, particularly where insects are prevalent. It has very good eyesight, is active during the day, and is known for its quick, accurate jumping to catch prey. Much like other creepy crawlies, it prefers damp locations like basements and cellars.
Need help with Brown Recluse Spider control?
Loxoscelism only occurs in a minority of brown recluse spider bites. When it does, the effects are most often limited to the skin around the bite (local). Getting bitten by one is uncommon and the bite alone rarely kills people. That said, severe reactions to a brown recluse spider bite can occur. If the reaction goes untreated, life-threatening complications may arise. The brown recluse has a dark violin shape marking on the cephalothorax with six eyes which are arranged in pairs.
Humans are not a part of any spider's diet, so they only attack when they feel threatened. You may also want to allow certain spiders to take up residence in the corners of your home as they're actually quite beneficial. Spiders catch and eat insects that might otherwise infest a space. Being able to spot the difference between a brown recluse and another species will not only keep you safe, but it may help you with pest control.
Seeking Emergency Care
See the Entomology Today Range Map to determine if the brown recluse lives in your area. A 2017 study looked at loxoscelism cases ranging from 1995 through 2005. Of the 57 reported cases of moderate to severe loxoscelism, only two resulted in death. Both individuals—an older man and a young girl—were healthy prior to the bite. Fortunately, very few deaths due to loxoscelism have been reported.
Among the three pairs of their eyes, one pair is a median dyad, and the other two pairs are lateral dyads. Brown recluses don’t weave webs, preferring to stay in hiding and jump on prey when it appears. According to Bradley, their diet consists mostly of insects and arthropods, which means they eat other spiders. A brown recluse hunts like a wolf and subdues its prey with venom. Jumping spiders are sometimes mistaken for a more dangerous arachnid species, but these adorable little creatures needn't be feared and you shouldn't feel the need to kill them.
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However, the brown recluse will still make webs, although they will appear messy and unorganized, which, compared to the web of a house spider, will look like a mess. The brown recluse also doesn’t have hairs and is not likely to create webs, and the webs are unorganized while house spider webs are not as messy. Even if you are bitten, bites from this species generally do not present complications or extreme danger unless you are allergic or the bite becomes infected.
You may be interested to know the differences between Brown Recluse and Grass Spider. A brown recluse has a dark brown violin shape on the cephalothorax (the portion of the body to which the legs attach). However, what you should look at instead is the eye pattern of 6 eyes in pairs with a space separating the pairs. A family lived in a house full of brown recluses (more than 2000 of them!) for half a year and not a single bite occurred. Even in places where brown recluses are common, bites are very rare.
As you can see, these physical differences can help you accurately differentiate between house spiders and brown recluses. In the next section, we will explore the behavioral and habitat preferences of these two spider species. They construct webs indoors but are not medically significant to humans.
Thing is, only a few North American spiders are actually dangerous. Brown recluses measure around 0.25 to 0.75 inches in length, which is roughly the size of a quarter. They have long, thin legs and two eyes in front of their head, unlike most spiders, which have eight. Brown Recluse spiders are known for their reclusive behavior, often hiding during the day and becoming active at night. They are not aggressive and typically only bite when provoked or threatened.
Often, the bite goes unnoticed and only results in a pimple-like swelling. One of the best factors for identifying a brown recluse vs. a southern house spider, as they can both have violins on their cephalothorax, is the shape of the eyes. A brown recluse has 6 eyes in a sort of horseshoe shape while the southern house spider has eight eyes all clustered together. Male southern house spiders are mistaken for brown recluse spiders. However, they are larger, and their violin-shaped marking is more narrow than that of their lookalike.
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