House Spider Identification
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Brown Recluse
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Most people see a small brown spider and immediately think "Brown Recluse." They are one of the most commonly misidentified spiders. Brown Recluse spiders live in the midwest, south and southwestern United States. They are often identified by a brown violin shape on their upper body. However, this shape is not always apparent. They also have six eyes arranged in pairs (most spiders have eight).
Close But No Recluse
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Several species of spiders are often misidentified as Recluse spiders. The Spitting Spider is often mistaken for the Recluse because they are brown and have the same eye pattern; however, they have black stripes on their bodies. The Woodlouse Spider and Southern House Spider are also similar to the Brown Recluse; however, their eyes are closer together and have no violin shape on their bodies. Finally, there are several species of spiders that have a violin shape including long-legged cellar spiders and pirate spiders. However, they have a mottled color (not solid brown) and have eight, not six eyes.
Black Widows
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When most people imagine a Black Widow, they think black spider with a red hour glass shape on the underside of its abdomen. Actually, Black Widows are not always black or have a red hour glass shape. They can also be dark brown to light brown or even gray and banded. The marking may be any color from yellowish orange to red. The shape also varies from a round dot to the traditional hour glass and may even be absent.
Other Poisonous Spiders
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Two other spiders that can be poisonous (but not deadly) live exclusively in the United States: the Grass Spider and the Hobo Spider. The Grass Spider is 3/4 inches long, brown to gray in color with light and dark stripes near the head. The Hobo Spider is 1/2 to 2/3 inches long with legs 2/3 inches to 2 inches long, brown color with chevron shaped markings on abdomen.
Orb Weavers
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Orb Weavers come in all sorts of colors and shapes. They are identified by the large circular webs that are traditionally associated with spiders. Orb Weavers are not dangerous or poisonous, but can be a nuisance depending on where they make their webs.
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