Are you a Tarantula hobbyist? If so, we invite you to join our community! Once you join you'll be able to post messages, upload pictures of your pets and enclosures and chat with other Tarantula enthusiasts. Sign up today!
Hello
My Cost Rican Tiger Rump has done the same, I suspect its either her pre molt or she is successfully mated and preparing for an egg sack. It would make sense that she's blocking any unwanted entrance, from prey etc.