1) Eating behavior 
Trophallaxis s is the transfer of food or other fluids among members of a community through mouth-to-mouth (stomodeal) or anus-to-mouth (proctodeal) feeding. It is most highly developed in social insects such as ants, termites, wasps and bees. The word was introduced by the entomologist William Morton Wheeler in 1918. The behaviour was used in the...
mutual exchange of nutriment in symbiosis
(from the article `hymenopteran`) ...to another about the location, distance, quantity, and quality of a particular food source. These movements were carefully studied and described ...
trophallaxis The exchange of food substances among members of a colony of social insects; such as, ants, bees, and termites.
the passing of food from one member to another