Just to clear it up I don't think provent-a-mite kills the eggs?
It's rather that the residual effect it has kills the new mites when they emerge from the egg.
Someone correct me if I am wrong about that though.
dr del
From the site
Originally Posted by http://www.pro-products.com/index.php?option=com_content&view=article&id=53&Itemid=59
No current product can make any claim that it will kill eggs. Provent-a-mite™ is the only product that is proven to provide long-term residual protection, so it will kill any larval mites or ticks when they hatch and try to infest your reptiles