Trypanosomes of brazilian fishes. Viii. Trypanosoma itoi sp. N. From armored catfish hypostomus sp (pisces, lori cariidae), from mogi-guacu river, municipality of pitangueiras, sp. Brasil - Ribeiro, R D; Lopes, R A; Satake, T; Nuti-Sobrinho, A; Britski, Heraldo A (Ciencia e Cultura, 1990)