In 1958 he was invited by Professor Dias da Silveira to assist in organizing the Department of Biology at the Faculdade de Ciências de Rio Claro, of the recently created State University of São Paulo UNESP, in the city of Rio Claro, where he stayed until 1964, directing a research group on the genetics of bees, his main field of specialization.
В 1958 году по просьбе профессора Диаса да Силвейры занимался организацией кафедры биологии в "Faculdade de Ciências de Rio Claro", недавно основанном государственном университете в городе штата Сан-Паулу Риу-Клару, где работал до 1964 года.