Been googling Non-Lethal Weaponry and there are extensive lists. Most notable, apart from the Gay Bomb, are Acoustitcs weapons that emit nauseating frequencies that make the opponent’s head want to explode, and lasers that produce a burning sensation on the skin without actually burning the skin…But this one’s my absolute favourite from a list I found HERE:
Biotechnical, Pheromones. The chemical substances released by animals to influence physiology or behavior of other members of the same species. One use of pheromones, at the most elemental level, could be to mark target individuals and then release bees to attack them. This would result in forcing them to exit an area or abandon resistance .
It makes me think of this Eddie Izzard sketch: