Eli5 how did bees evolve to be a stinger that kills them when used?

Question

Eli5 how did bees evolve to be a stinger that kills them when used?

In: 2

Answer 1

Their stingers are optimized for smaller animals- especially other insects, but also things like rodents and small birds. They all have thinner skin than humans, so stings aren’t likely to kill the bee.

In any case, worker bees don’t reproduce. So there’s little selective pressure to evolve a reusable stinger.