What beneficial role do cellar spiders often play in the indoor ecosystem of a home?

Answer

They are known to prey on other, potentially more medically significant spiders.

Cellar spiders are effective pest controllers and are known to prey on other spiders, including black widows and brown recluse spiders, in the quiet corners of a home.

What beneficial role do cellar spiders often play in the indoor ecosystem of a home?
spidervenomarachnid