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Revista mexicana de biodiversidad
On-line version ISSN 2007-8706Print version ISSN 1870-3453
Abstract
PULIDO-FLORES, Griselda and MONKS, Scott. A new species of Euzetia (Monogenea: Monocotylidae) on the gills of Rhinoptera bonasus (Rhinopteridae) from Ciudad del Carmen, Campeche, México. Rev. Mex. Biodiv. [online]. 2008, vol.79, suppl., pp.83-88. ISSN 2007-8706.
Euzetia lamothei n. sp. (Monogenea: Euzetiinae) is described from the gills of the stingray, Rhinoptera bonasus, collected from marine waters near Ciudad del Carmen, Campeche, Mexico. The species is assigned to Euzetia Chisholm and Whittington, 2001 because it has a haptor with 10 peripheral loculi and 1 central loculus flanked by 2 lateral loculi. The species described herein can be distinguished from the only known member of the genus, E.occultum, by the morphology of the male copulatory organ, the vas deferens sigmoid, and the presence of a vaginal chamber. Euzetia lamothei n. sp. was found on 1 of 7 R.bonasus (14%). This species is the first record of a member of the genus from the neotropics, the first from Mexico, and the second report of a monocotylid from Rhinoptera.
Keywords : Euzetia lamothei n. sp.; Rhinoptera bonasus; Euzetiinae; description; Campeche; Mexico.