Acta Scientiarum. Biological Sciences; Vol 39 No 4 (2017); 407-416 Acta Scientiarum. Biological Sciences; v. 39 n. 4 (2017); 407-416 Acta Scientiarum Biological Sciences Universidade Estadual de Maringá (UEM) instacron:UEM Acta Scientiarum : Biological Sciences, Vol 39, Iss 4 (2017)