I personally don't believe it harms mantises. Of course, it should only really be used if a mantis has an abdominal infection or won't eat for dangerous amounts of time. And it should be raw honey or some other form of honey without added chemicals.
Has she molted yet? I have a similar sized Orchid at the same instar and what looked like at the same level of development as yours and she just molted.
We have made a new mantis dedicated subreddit seen as r/mantids community is suffering from a lack of moderator activity. Please join us at r/mantiskeeping !
I'm just curious how reliable genetics are for predicting the color of an adult mantis. Because I know genetics determine quite a lot seen as I've seen Orchids and Ghosts kept in the same environment being very different colors. It would be very cool to have different color forms of Giant Asian...