Found a huge (easily 15cm ) green caterpillar trotting - well, ambling, really - across the dining room chair last night. I put him back on the oak and he seems to be fine. They have masses of food, so I don't think he was hungry, more likely looking for a quiet spot to spin.

The Robin Moth babies are getting bigger by the minute and I expect some of them to shed their first skin any time now.

The remaining H. Maia has gone into a sort of trance - I'm not sure if he is about to spin, or if he's just feeling a bit gormless. I'm fairly sure he isn't unwell, though he seems not to be eating the available food. I hope he's considering cocooning, but we shall just have to wait and see.