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They found the first sex pheromones in moths 50 years ago. ScienceDaily, 14 August Scientists have studied communication between male and female moths and butterflies for more than a century. Commonly used in pharmacology and medical research to study how different drugs interact with their target receptor, the instrument in this case allowed the researchers to study, in the lab, how the pheromone receptors in the male moth responded to different pheromone chemicals. But they still know little about the molecular mechanics that make communication so specific to a species, Wanner said. A female moth sitting on a goal post could attract a male moth on the other end of a football field. Female moths release just nanograms -- a billionth of a gram -- of pheromone from a gland at the tip of their abdomen, Wanner said. Scientists could someday design new scents that would make it impossible for male moths to find females of the same species. Since Wanner didn't have an instrument to analyze male moth receptors to see how they responded to a parade of different pheromones, the two tested the receptors with their equipment.

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