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Type: Article
Published: 2008-09-10
Page range: 61–68
Abstract views: 44
PDF downloaded: 1

First record of Hexaglandula corynosoma (Travassos, 1915) Petrochenko, 1958 (Acanthocephala: Polymorphidae) in intermediate and definitive hosts in Mexico

Licenciatura en Biología Marina, Facultad de Medicina Veterinaria, Universidad Autónoma de Yucatán, carretera Mérida-Xmatkuil Km. 15.5, A.P. 4-116, Itzimná, Mérida, Yucatán, Universidad Autónoma de Yucatán, México
Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Distrito Federal, México
Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Distrito Federal, México
Acanthocephala Hexaglandula corynosoma Nyctanassa violacea Uca spinicarpa cytochrome oxidase subunit I México

Abstract

Members of Polymorphidae, including Hexaglandula corynosoma, are acanthocephalans commonly found as intestinal parasites in marine mammals, fish-eating birds and waterfowl. Hexaglandula corynosoma is distributed throughout the Southeastern U. S. and southwards to Puerto Rico and Brazil. An acanthocephalan (and its larvae) resembling H. corynosoma were found parasitizing intermediate (decapod crustaceans, Uca spinicarpa) and definitive hosts (yellow-crowned night herons, Nyctanacea violacea) from various localities in Mexico. A morphological and genetic study, in combination with previous studies, confirmed that the larvae and adults were conspecific and corresponded to H. corynosoma. This is the first record of H. corynosoma in Mexico parasitizing intermediate and definitive hosts.

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