The bees would still overcome the wasp, assuming it's a large hive. The wasp will have practical limitations on the amount of ammunition for the weapon (also the question of whether it can reload before getting swarmed) and the ceramic armour won't help against the bees massing together to form a ball of bees around the wasp and overheating it until it dies.

Edit: Apparently it depends on the type of bees as to whether they do the heat ball of death thing, so your mileage may vary.

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