Effects of male and female scent on reproductive maturation in young female Tenebrio molitor |
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| Authors: | G M Happ M E Schroeder J C Wang |
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| Affiliation: | 1. Department of Biology, New York University, Bronx, N.Y. 10453 USA;2. Department of Biology, Loyola College, Baltimore, Maryland 21212 USA;1. Molecular Ecology, Institute for Sustainability Sciences, Agroscope, Reckenholzstrasse 191, 8046 Zurich, Switzerland;2. Plant Ecological Genetics, Institute of Integrative Biology, ETH Zurich, CH-8092 Zurich, Switzerland;3. Systematic Mycology and Microbiology Laboratory, USDA-ARS, Beltsville, MD 20705-2350, USA |
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| Abstract: | In the first 7–10 days after emergence from the pupal cuticle, oöcyte length and emission of sex attractant increase in female mealworm beetles. Shortly after ecdysis, females were isolated and exposed to one of three airstreams containing: (1) unscented air, (2) scent of mature males, and (3) scent of mature females. Within 3 days, females exposed to male scent exhibited greater growth of their terminal oöcytes and a higher level of sex pheromone emission than either of the other two groups. At 3 days, females exposed to female scent emitted significantly more sex attractant than those females in unscented air, but only at 7 days were significant effects of female scent reflected in oöcyte growth of isolated females. Apparently both male and female scents contain primer pheromones. |
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