Eggs upside down

uhh what you mean with upside down?? are the female moth laying eggs not in one place??
if that so you can take the female to an paper box ( can too big but must not too small okay^_^)
and you can collect them and make place them in one place so you can observing them

but can i know what moth's Egg are in your business?

Best wishes
Elfin

No matter if upside-down or sunny side up - if environmantal conditions are OK, they will develop and hatch.