Well, the four moths spent all day yesterday studiously ignoring each other, so obviously they were all males. I'd put the unhatched cocoons into a different box, and this morning when I looked, another one had hatched. I put this one into the box with the previous four and chaos immediately took over. All four moths were crawling around the 5th, literally like moths round a flame.
The female is the one clinging tightly to her cocoon, whilst the males throng around her :-
One by one, the males are starting to give up :-
I think the moth in the centre is trying to muscle in on the action :-
And finally, the happy couple :-
It's a messy job - look at the state of the nice clean white paper!
There are still cocoons to hatch, so who knows, tomorrow there may be more females for the remaining males.