I believe that mantis is from a revoltech spinoff, so Revogeneral is your best bet. Oh right, REVOGEO. There hasn't been a ton of talk about the line since not much has released outside of the Scorpion I believe.
Besides that the only other things I can think of are those retro in concept modern in execution animal sofubi which don't really have a thread.>>7592319
No BATA's yet but it's japan and what's been shown is about 80% insects so far, so it'll happen at some point.