Do spiders eat cockroaches?

Spiders in your home can be beneficial but many people fear them. Here is what you should do if you hate spiders, but also a list of how spiders can help. ... Spiders eat pests. Spiders feed on common indoor pests, such as roaches, earwigs, mosquitoes, flies and clothes moths. read more

Not too many spiders can handle an adult roach, but a number of spiders can eat smaller roaches. Various House Spiders, for instance. Cockroaches breed pretty fast, though, so they can easily outbreed any predators which might control them, and most pest-control companies kill off spiders more effectively than roaches. read more

In our house, we enlist help from spiders -- specifically Huntsman spiders (Heteropoda venatoria) -- to keep our house as cockroach-free as possible. Floridians who want a bug-free house welcome these 3- to 5-inch long spiders with open arms -- well, maybe not exactly open arms, but at least with an open mind. read more