Ha! The answer to this one is really cool but the article was getting quite big so I left it out!

"Honey ants’ main source of food is sweet nectar gathered from desert flowers. Sometimes, workers will feed repletes liquids from insects killed by the colony (body fat from wasps or other ants, for example). Repletes are fed these liquids mouth-to-mouth, drop by drop. "
Sexy!!!!
https://www.nationalgeographic.org/media/honey-ant-adaptations-wbt/