E.e.croceater eggs at 80 days

I have many large blotched ensatinas both male and female, do you have any info you can give me about breeding these salamanders?

I cycle them, cooling themto ~50F in the winter and back up to 65-70F in the summer. I use natural lighting for a photoperiod. The hard part is keeping the female from consuming her eggs, I still haven't found a fix for that.

Sorry for all of the fallowing questions: How do you keep your temperature so low? Should I separate my ensatinas in groups? And couldn't you just seperate the eggs from the females like shown in the picture?