It’s tough to be a bug is closed now through August 11, 2014 September 27, 2014.
Here’s what the Disney website says:
As part of our continuing efforts to exceed the expectations of our Guests, It’s Tough to be a Bug!® is currently closed for enhancements. Please check back here for the latest updates and information about when it will reopen.
[…] Walking into Animal Kingdom and rounding the corner past the Oasis, we are immediately met with walls surrounding the Tree of Life as part of it’s current refurbishment. […]