The Giant Hornet colony had their weapons and possibly even armour taken away from them by the Kid, so naturally they were sitting ducks in battle.
I'm not so sure about Saki breeding mole rats, but I assume it may've been just a hobby that was carried over? I think her job right before the Queerrat rebellion might've involved breeding or studying mole rats so she could better handle the Queerrat-to-Human relations.
Ohhh! Thanks for the heads up with the kid. I thought the fiend killed them which would be contradictory but, yup I definitely missed on that one bigtime.