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Barn Spider (Araneus cavaticus)

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description Barn Spider (Araneus cavaticus) Overview

The barn spider (*Araneus cavaticus*) is a species of orb-weaver spider native to North America, commonly found in barns, caves, and overhangs during the late summer and fall. As a nocturnal arachnid, it constructs large, vertical wheel-shaped webs at night to catch flying insects and typically consumes the silk before dawn. This species is recognized in popular culture as the biological inspiration for Charlotte A. Cavatica, the spider in E.B.

White's 1952 children's novel *Charlotte's Web*. They are generally harmless to humans, retreating into dark crevices during the daytime.

help Barn Spider (Araneus cavaticus) FAQ

Is the barn spider the same species as Charlotte from Charlotte's Web?

Yes, E.B. White based the character Charlotte A. Cavatica in Charlotte's Web on the barn spider (Araneus cavaticus). The character's scientific name is the exact Latin binomial for this specific North American spider.

What does an Araneus cavaticus spider web look like?

The barn spider constructs large, vertical, orb-shaped webs that can measure up to several feet in diameter. The webs typically feature a classic wheel shape with concentric circles connected by sticky radial spokes.

Where are barn spiders typically found?

Barn spiders are native to North America and are commonly found in rural areas, specifically in and around barns, caves, and bridges. They prefer dark, moist environments where flying insects—their primary food source—are abundant.

Does the barn spider keep its web all year round?

No, barn spiders are nocturnal and often consume their webs at dawn, eating the silk to recycle the proteins. They are most active during the late summer and fall, usually dying off as the cold winter weather approaches.

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