Medical and Biomedical Researches

HELMINTH PARASITES IN CHAUNUS MARINUS AND CRONOPSIS VALLICEPS (ANURA: BUFONIDAE) FROM LAGUNAS YALAHA

HELMINTH PARASITES IN CHAUNUS MARINUS AND CRONOPSIS VALLICEPS (ANURA: BUFONIDAE) FROM LAGUNAS YALAHAU, YUCATAN, MEXICO Juan Francisco Espínola-Novelo and Sergio Guillén-Hernández Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Carretera Mérida-Xmatkuil, Km 15.5, A. P. 4-116, Itzimná, Mérida, Yucatán, México. e-mail: ghernand@uady.mx.

ABSTRACT, Eight helminth taxa were found parasitizing Chaunus marinus (N = 40) and Cronopsis valliceps (N = 40) from the Parque Estatal Lagunas Yalahau, Yucatan, Mexico. Seven taxa (two digenean: Langeronia macrocirra, Mesocoelium monas; one acanthocephalan: Oncicola sp.; three nematodes: Rhabdias füleborni, Aplectana itzocanensis, Cruzia morleyi, and a nematode larvae) were found in C. marinus, while four (Rhabdias fuelleborni, Aplectana itzocanensis, Ozwaldocruzia sp., and nematode larvae) were found in C. valliceps. Nematodes, particularly A. iztocanensis showed high prevalence, mean abundance and mean intensity values for both species of amphibians. The recording of R. fuelleborni, M. monas, L. macrocirra and C. morleyi in these amphibians from the Yucatan Peninsula confirms its Neotropical distribution, while the recording of A. itzocanensis increases its geographical distribution suggesting a Neotropical rather than Neartic origin.

Espinola-Novelo J, Guillén-Hernández S.