Pheromone-Guided Navigation of Potential Mates: A Distinct Exploration Strategy
Animals, especially insects, navigate their environments using complex strategies that integrate responses to chemical signals such as pheromones. The relative importance an insect places on foraging, finding a mate or other tasks can significantly influence its movement patterns. This study uncovers the distinct exploration strategies that emerge when these priorities vary. A new model is introduced that explicitly treats a pair of insects and their response to each other's pheromones. The strategy results in dynamics that exhibit characteristic anomalous scaling in displacement and non-Gaussian distributions of position; specifically, compressed exponential distributions for the number of encounters and the total duration of encounters. Our model not only elucidates these emergent behaviours but also provides insight into optimizing encounter frequencies. These strategies can be inverted to design pheromone-based traps for luring target species to specific areas for removal. The model is also applicable more broadly to pairs of agents that both respond to the paths traced by themselves and each other.
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