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In ants dispersing through colony fission, queens mate near their natal nest and found a new society with the help of workers. This allows potential future queens to challenge the mother queen’s reproductive monopoly. Conflicts might be resolved if the mated queen signals her presence and the workers control the developmental fate of the diploid larvae (whether they develop to worker or queen). In...
In the course of our studies on the chemical ecology of the widely distributed Mediterranean ant Aphaenogaster senilis, we found that trail following is triggered by extracts of the poison gland and Dufour’s gland. To assess the specificity of the trail pheromone, we examined whether a cross-reaction exists between trails of A. senilis and the closely related species A. iberica. Specificity seemed...
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