Astylus variegatus (Coleoptera, Melyridae): Cytogenetic study of a population exposed to agrochemical products
In this work we describe the cytogenetic analyses performed in specimens of Astylus variegatus (Germar, 1824) collected in two localities: one Cosmetics area of natural vegetation and one of agricultural crops, where agrochemical products were used.Astylus variegatus had karyotypes with 2n(male) = 16+Xy p and 2n (female) = 16+XXp, with exclusively