In common wasps the queen has a stinger and eggs don't pass through it (anymore). However, a lot of solitary wasps don't have a stinger and still use the egg depositor for which it was intended, e.g. depositing the egg in eggs or larva of other insects.
While I like the references to Starship Troopers (R.A. Heinlein), I think references to Space Cadet (also R.A. Heinlein) would be more appropriate in this case.
Trial by fire is also a technique you use against criminally stupid legislation. Just make sure those legislators get convicted on a law they passed themselves (shouldn't be too difficult in this case).
4) Already happened, the Nordic mythology is correct in that aspect. The idea of hell as a hot place comes from ancient desert dwellers who couldn't think of something worse (lack of imagination).