Foraging takes place at night. Swarms of wasps explosively leave the nest, then quickly return only to leave again in a similar fashion. As the night progresses there are moderate to heavy levels of return and departures by smaller groups of wasps. The foraging patterns of "Apoica pallens" depends on the moon’s cycle: when the moon is new, it forages during the first four hours after sunset, with another small peak of activity just before dawn as wasps return to the nest. When the moon is waxing, it extends the hours of forage until individuals are out all night long.