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Published on: April 19, 2024
Identification of α-tocopherol and α-tocopheryl acetate from the cuticle of soybean pods armyworm (Spodoptera
Edegar Fronza1, Ignacio Migues, Alexandre Specht
1a Laboratório de Controle de Pragas, Instituto de Biotecnologia - Centro de Ciências Agrárias e Biológicas, Universidade de Caxias do Sul, Rua Francisco Getulio Vargas , Caixa Postal 1352, CEP 95070-560 , Caxias do Sul, Rio Gre do Sul, Brazil.
Abstract:
The chemical composition of the soybean pods armyworm Spodoptera cosmioides (Walker, 1858) (Lepidoptera: Noctuidae) and Anticarsia gemmatalis Hübner, 1818 (Lepidoptera: Erebidae) larval cuticles was evaluated using gas chromatography coupled to a mass detector (GC-MS). Among the usual lipids found in the insect cuticle, α-tocopherol and α-tocopheryl acetate were also isolated from S. cosmioides. On the other hand, no vitamin E derivative was found in A. gemmatalis exuvia. This is the first report of vitamin E occurrence in the insect's cuticle.
