There upwards of 3,700 species of spiders in the United States, and more than 500 of these live in Illinois, according to the ...

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

so you'll want to keep an eye out for this creature. If black widow spiders are living in your home, they tend to build webs ...