Although hyla punctatas are very pretty, they are not true glass frogs. Do you have a water feature in that tank. I read somewhere that they needed relativily high humidity but good airflow.
In this tank, no just a large dish. However it is planted heavy enough that we can not find them until night time. 5 of them were in, and around the water last night. Not sure where the 6th was. We plan on redoing their exo-terra soon.