[Suggestion] Mantis invisibility wears off when underground?

[HofNerd]

As there is no foliage to blend into it would seem logical for mantises to lose their invisibility upon being underground? This should also prevent them from sneaking over/through ants set to not attack them:

Edit:
OOppssss. Only now I notice I posted this on the wrong subforum?
This one should be under suggestions and feedback.