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The effects of female sex pheromone concentration and time of day on behavioral responses of male brown-banded cockroaches were monitored with a two-choice olfactometer. The duration of each behavior or behavioral event in a deterministic response sequence and the probabilities of behavioral transitions were analyzed. Pheromone concentration had a significant effect on all behaviors in the response sequence. The time of testing, relative to the entrainment photoperiodic regime, significantly affected behavioral events early in the sequence but not later-occuring behaviors. Although the probability of males choosing the pheromone rather than the solvent control was a function of the pheromone concentration, it was independent of the time of testing. By affecting the probability of behavioral transitions, the pheromone concentration and time of testing determined the number of insects exhibiting specific behaviors in the response sequence. The behavioral response sequence can be characterized by probabilities of behavioral transitions along with latencies of early behavioral acts. 相似文献
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