Effect of Trail Bifurcation Asymmetry and Pheromone Presence or Absence on Trail Choice by Ants.

During foraging, ant workers are known to make use of multiple information sources, such as private information (personal memory) and social information (trail pheromones). Environmental effects on foraging, and how these interact with other information sources, have, however, been little studied. One environmental effect is trail bifurcation asymmetry.