Diet impacts the reproductive system’s maturation in the male moth Agrotis ipsilon (Noctuidae, Lepidoptera) - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Insect Physiology Année : 2023

Diet impacts the reproductive system’s maturation in the male moth Agrotis ipsilon (Noctuidae, Lepidoptera)

Résumé

In male moth Agrotis ipsilon, sexual maturation occurs between the third and the fifth day of adult life and is characterized by the development of the reproductive organs such as testes and accessory sex glands. Since sexual maturation requires considerable energy investment, we hypothesized that diet would be an essential regulatory factor in this developmental process. Indeed, the links between the male diet and reproductive physiology have not been described as in females. To test the previous hypothesis, we offered male moths diets corresponding to different flower nectars found in nature, and measured morphological and functional changes in the testes and accessory sex glands. In comparison to a diet composed of sucrose only, males fed with a diet composed of diverse sugars, including glucose, supplemented with sodium led to an earlier increase in the length and the protein content of accessory sex glands, as well as a reduction of the testicular volume accompanied by an acceleration of the sperm bundle transfer from the testes to the duplex. These results show that these specific diets accelerate the maturation of the reproductive system in male moth Agrotis ipsilon.
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Dates et versions

hal-04139739 , version 1 (12-09-2023)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Evan Force, Philippe Couzi, Matthieu Dacher, Stéphane Debernard. Diet impacts the reproductive system’s maturation in the male moth Agrotis ipsilon (Noctuidae, Lepidoptera). Journal of Insect Physiology, 2023, 148, pp.104532. ⟨10.1016/j.jinsphys.2023.104532⟩. ⟨hal-04139739⟩
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