?? Trophallaxis is an exchange of food by regurgitation between social insects such as bees, bumblebees and ants as here in two Lasius niger. Ants have two stomachs, a social stomach for this exchange and another for food. During trophallaxis, individuals exchange nutrients but also hormones that allow the growth and development of individuals in a colony. The development of the larvae and their role in the colony depend on the amount of juvenile hormones they have received.
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