The answer to 'which is worse wasp or' is that wasps are generally considered worse than bees. Wasps are more aggressive and more likely to sting humans, while bees are generally less aggressive and only sting when provoked. Wasps also have a more potent venom that can cause more severe reactions in people who are allergic.
Wasps are also more likely to build nests in close proximity to human activity, increasing the chances of an encounter. Additionally, wasps are known to be more territorial and will aggressively defend their nests, whereas bees are typically less confrontational.