You tend to find black spiders in dark places close to the ground. They catch prey by spinning messy cobwebs, where they catch and feed on beetles, ants, and bees. However, the males look completely different, with slender brown-tan bodies and silvery markings.įemale black widows measure 0.55” to 0.63” (14 – 16 mm) and can be found across the state. You can identify the shiny black spider by the red hourglass-shaped mark on its bulbous abdomen. The western black widow spider is native to Arizona and is one of the most venomous black spiders in the state. Western black widow spiders: female (left) and male (right) Western Black Widow Spider ( Latrodectus hesperus) They spin messy cobwebs to catch their prey.Īrizona Spider Identification: The false black widow spider is identified by its shiny chestnut-brown body, legs, and head and light-colored markings on its abdomen. They are typically found in dark, dry places like basements, crawl spaces, and woodpiles. Males have a charcoal appearance, a slender oval abdomen with white markings, and grayish-brown translucent legs.Īlso called the cupboard spider or false widow, this cobweb spider measures 0.24” to 0.41” (6 – 10.5 mm) in length. There is great variation between female and male false black widow spiders. However, its venomous bite can cause severe reactions, including pain, muscle cramps, and sweating. Although it has the shape and size of a black widow, it lacks the distinctive red hourglass marking. The females have a shiny chestnut-brown bulbous body and a small cephalothorax. Arizona Brown Spider ( Loxosceles arizonica)įalse black widow spiders: female (left) and male (right)įalse black widow spiders are a species of common Arizona spiders. Pictures and descriptions will help to identify the most commonly found Arizona spiders, from tiny cellar spiders to large tarantulas. Let’s look in more detail at the types of Arizona spiders you might encounter. Types of Spiders Found in Arizona (with Pictures) – Identification Guide Unless otherwise specified, all measurements of the spiders’ body size exclude the length of their legs. Additionally, many orb-weaver spiders construct eye-catching wheel-shaped webs. For example, some Arizona spiders have messy, tangled webs, whereas others have irregular, loosely constructed webs. However, unlike insects, spiders don’t have wings or antennae.īesides seeing a spider scurrying across the floor, you can sometimes identify spiders by their web shape. In addition, spiders have six to eight eyes, a pair of chelicerae (jaws), and silk-spinning organs called spinnerets.Īll spiders have bodies divided into two segments-a cephalothorax (a fused head and thorax) and an abdomen. Some Arizona spiders, like the Arizona brown spider and widow spiders, have bulbous, oval bodies and long spindly legs. The easily identifiable features of spiders are their body shape and colors. Spiders are eight-legged arthropods in the order Araneae. However, hairy Arizona spiders like wolf spiders or tarantulas may look menacing, but their bites are usually harmless. For example, a bite from a small venomous brown recluse spider or black widow can result in fever, muscle pain, and nausea. Identifying spiders in Arizona is vital because some species can inflict a painful bite. Common Arizona spiders you can find indoors include brown recluses, black widows, Southern house spiders, and wolf spiders. The most common and largest Arizona spiders are tarantulas, often found in arid desert environments. This guide to identifying types of Arizona spiders has descriptions and pictures of some of the most common eight-legged creatures you will find in the “sunset land.” What are the Most Common Spiders in ArizonaĪrizona is home to a diverse range of spider species. While all spiders can bite, two dangerous Arizona spider species are the brown recluse and the black widow.Īre you curious about what types of native and non-native spiders call Arizona home? If so, this article is for you. Arizona spiders include the native Arizona brown spider, Arizona recluse, cellar spiders, and tarantulas. From common brown house spiders to venomous black widows and intimidating wolf spiders, the Grand Canyon state has many different kinds of arachnids. Share on Email Share on Pinterest Share on Facebook Share on Twitter Share on LinkedInĪrizona is home to a large number of spider species.
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