How do male bees and wasps gain protection by resembling females of their species?

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The premise that male bees and wasps gain protection by resembling females of their own species is a form of automimicry. In this biological phenomenon, defenseless males are protected from predators because they bear a resemblance to the females of their species, which are equipped with stingers and are therefore avoided by predators.1

It is important to clarify that this is distinct from the mimicry observed in certain orchids, such as those in the genus Ophrys. In that case, the flower mimics a female insect to lure males for the purpose of pollination, rather than for the male insect's own protection.2