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It is often hypothesized that ant species with substantial variation in worker body size should have schemes for allocating workers to different foraging tasks based on size. Here, we document in Anoplolepis custodiens ants preliminary evidence for a relationship between worker body size and the foraging surfaces on which workers walk. Workers of A. custodiens were collected in pitfall traps near...
Social insect colonies adeptly make consensus decisions that emerge from distributed interactions among colony members. How consensus is accomplished when a split decision requires resolution is poorly understood. We studied colony reunification during emigrations of the crevice-dwelling ant Temnothorax rugatulus. Colonies can choose the most preferred of several alternative nest cavities, but the...
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