Arachnids (Spiders & Scorpions) American House Spider Posted by Long Leggedy Beasties on May 27, 2019May 27, 2019 American house spider (Parasteatoda tepidariorum). American house spider (Parasteatoda tepidariorum). Maybe an inch long if she stretched out. The freeform, “messy” web is characteristic of the species. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pinterest (Opens in new window) Pinterest Like this:Like Loading... Related