..., with honesty ensured by a direct metabolic or indirect fitness cost to the signaler. Using a stable isotope tracer–tracee method, we characterized the nutrient pools that fuel sex pheromone production in females of the moth Heliothis virescens , as well as the relative importance of larval- and adult-acquired...

.... Published by The Company of Biologists Ltd 2014 Hemolymph trehalose Pheromone biosynthesis Tradeoff Fatty acid Tracer–tracee Precursor enrichment Polyandry Moths, which account for ~90% of species of Lepidoptera, typically use volatile sex pheromones to locate mates over distance...