Allozymic variability in an introduced fruit fly pest Ceratitis capitata (Wiedeman), 1824, (Diptera - Tephritidae) - Morgante, João Stenghel; Souza, Hebe Myrina Laghi de; Conti, Eliana de; Cytrynowicz, Michael (Revista Brasileira de Genética = Brazilian Journal of Genetics, 1981)