Tarantulas have little hairs on their body, and when they get annoyed they use a leg to flick those hairs in the air at whatever’s annoying them. If the hairs get on your skin, they itch terribly, as I can attest from experience
DISCLAIMER: Catholic Answers has turned over the archive to Catholic-Questions.org and no longer owns, manages, or moderates the forums. For additional apologetics resources please visit www.catholic.com.