They range from black to dark brown ... American nursery web spiders (Pisaurina mira) are one of the biggest spiders in Texas. Their bodies can reach ¾ inch long, with a leg span up to 2.5 ...

Black widow venom is 15 times stronger than ... Here are the most common house spiders in Texas. The hacklemesh weaver is a deep mahogany brown with a unique chevron-style marking on its back.