Sorry to hear about your losses...
I use to freak out about the temperature and the humidity aspect but spinnekop is very correct in what he is saying.
I suppose the temperature and humidity will only come into play with breeding/dropping of the eggsack, but even here i stand to be corrected.
So Basics and Common Sense and you cant go wrong.
"You don't have to eat many mangos to have a nice mango, just take good care of your mango and it will be nice!"