Bee flies are similar in appearance to bees. Is this an example of mimicry or disguise?

This is an example of mimicry. Bees are not masked by coloring. Bee flies copy the look of a bee for a number of reasons. This allows them to move quietly with the bees and not arouse suspicion. They can also get into the hive, although this is dangerous for them, since in the event of their exposure, the bees can begin to protect the hive from outsiders. There are other animals that copy the appearance of others. First of all, this is necessary for protection, since they often resemble poisonous or dangerous animals. This serves as an emphasis and warning to others.