Male housefly (Musca domestica L.) genital system as a source of mating pheromone |
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Authors: | Yosef Schlein Rachel Galun |
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Affiliation: | 1. Department of Parasitology, Hadassah Medical School, Jerusalem, Israel;2. Department of Zoology, The Hebrew University, Jerusalem, Israel |
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Abstract: | Male volatile mating pheromone is released by male houseflies placed in close proximity to females or in contact with female hydrocarbon extract. The pheromone induces the aggregation of virgin females in the vicinity of the male. Preparations of macerated testicular and ejaculatory duct tissue exert a similar effect, and these organs are, apparently, the source of the pheromone. Such preparations are not attractive to males or mated females. The pheromone also appears to induce female receptivity, since females that are exposed to emanations from male system preparations show a quicker rate of pairing with males. The pheromone effect results from the testes and ejaculatory ducts acting together, as preparations of each of these alone are inactive. Pheromone activity is age dependent and the greatest female reaction is observed when tissues of 6–10-day old males are used. |
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Keywords: | male pheromone reproductive system female behaviour receptivity |
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