Living Food Pantries of the Desert
Certain honeypot ants serve as permanent food storage units for their colonies. These specialized workers engorge themselves until their abdomens swell to the size of grapes, essentially becoming immobile, living larders.
When food is scarce in harsh desert environments, these ants hang from the ceilings of underground nests and wait to be tapped. Their fellow colony members stroke their antennae to signal for a drop of stored nectar. This unique biological strategy allows the entire colony to survive during times of drought or extreme heat. It is a fascinating example of extreme evolutionary adaptation for group survival.
Source: Honeypot ant