 Basiliscus vittatus Wiegman, 1828, obtained from the surrounding lands of Laguna Encantada, San Andres Tuxtla (Veracruz) Mexico.One of the Basiliscus was kept in the laboratory for 2 weeks, during which time the parasites were studied in several dry-fixed blood smears with Giemsa's stain.The parasite was discovered only in erythrocytes, usually occupied a polar position in the cytoplasm and did not cause distortion or hypertrophy of host cells.