Why are members of the Halictidae family sometimes called 'sweat bees'?

Answer

Because they are sometimes attracted to the salt in human perspiration

Many members of the Halictidae family are recognized as sweat bees because they are sometimes attracted to the salt found in human perspiration.

Why are members of the Halictidae family sometimes called 'sweat bees'?
behavioranimalinsectbeeaggressiveness