Barn Funnel Weaver: How to Identify

Barn Funnel Weaver spiders (Tegenaria domestica) are a species that is widespread across the United States, from outbuildings and barns to crevices in door frames and cracks of rock faces. It can often be found hidden beneath boards or even underneath rocks!

Barn funnel weaver
A macro shot of a barn funnel weaver on its cobweb. Photo credit: Wirestock Creators

Barn funnel weaver spider: Identification.

Female Barn funnel weavers average a meager half an inch in length, and male counterparts merely one-third of an inch. As a result, their cephalothorax is colored with red-brown hues, adorned by light yellow hairs and two subtle gray streaks running along its length. Meanwhile, the abdomen varies from pink to pale flesh tints featuring grey to black blotches. On top of that, their legs are spiny appendages topped off with faint grey stripes at the end of each femur.

Much like the webs of grass spiders, these webs are usually smaller in size, and the retreats for these spinners lie within the web sheet instead of being found to one side.

Barn funnel weaver spiders can live a long time–for a spider.

With the potential to exist for up to seven years, these spiders can produce an impressive nine egg sacs each, which they often suspend from silk lines close to their web. From May through July of every year, male and female spiders are seen on the web as mating season begins. Any structure is capable of hosting them all year round!

The bite of a Barn funnel weaver spider is not medically significant.

Further recommended reading about spiders.

Spider pages: Learn how to identify and avoid these spiders.

Can house spiders hurt you? Are house spiders Venomous?

Do Spiders Sleep? Do They Dream like Humans?

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Dennis V. Gilmore Jr.

Dennis V. Gilmore Jr. is a former Marine Sergeant and the author of several books, including two on night hunting coyotes and red and gray fox. He has written several hundred articles on predator hunting for

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