All four ( 001, 002, 003, 004) have been sealed in their burrows since 7Feb10. Occasionally they alter their burrows allowing me to see in from the side. Water is maintained daily. Food will be offered when they surface. I am wondering if another molt is immanent. I was able to view Shadow (Number3) today and she looked rather large and plump, but is not showing the darkened "rump".
On a side note, names were selected for the first batch. Number1 is Eclipse, Number2 is Phantom, Number3 is Shadow, and Number4 is Midnight.