Behavioral responses of male and female Mexican fruit flies,Anastrepha ludens, to male-produced chemicals in laboratory experiments

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Abstract
The behavioral responses of male and female Mexican fruit flies elicited by male abdominal extracts were measured in laboratory cages where pheromone was applied to the undersides of some leaves on a treated tree but to none of the leaves on a control tree. After arrival to the treated tree, females came directly to pheromone sources. Females on the treated tree visited leaves and fought other females at higher rates than on the control tree. Females stayed on treated leaves and trees longer than on control leaves and trees. In separate experiments, the number of males on pheromone-treated trees and leaves was higher than on controls, but other behavior was unchanged. The results indicate that the pheromone stimulates a complex of behavior involved in the mating ecology of the species.