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- Title
THREE NEW SPECIES OF PHILOMETRIDS (NEMATODA: PHILOMETRIDAE) FROM CENTRARCHID FISHES IN THE USA.
- Authors
Moravec, František; Crosby, M. David; de Buron, Isaure; David González-Solís; Roumillat, William A.
- Abstract
The following 3 new species of the Philometridae (Nematoda: Dracunculoidea) are described from freshwater centrarchid fishes (Centrarchidae: Perciformes) from eastern North America on the basis of museum and newly collected specimens: Philometra orbitalensis n. sp. and Philometroides aphanonaris n. sp. from the oculo-orbits and subcutaneous tissues of the head, respectively, of the largemouth bass Micropterus salmoides, and Philometroides wellborni n. sp. from the oculo-orbits of the bluegill Lepomis macrochirus (type host) and the redbreast sunfish Lepomis auritus. Whereas P. wellborni is described from both males and gravid females, the males of P. aphanonaris and P. orbitalensis remain unknown. The type locality of all 3 species is the West Point Reservoir, Alabama-Georgia; P. aphanonaris and P. wellborni have also been recorded from the Santee River in South Carolina. In contrast to other Philometra spp. parasitizing North American freshwater fishes, the gravid females of P. orbitalensis are characterized by large cephalic papillae of the external circle, yellowish body color, location (oculo-orbits) in the host, and by the host type (Centrarchidae). Philometroides aphanonaris and P. wellborni differ from North American congeners from freshwater fishes in the absence of esophageal teeth or a different embossment of the caudal end in gravid females; P. wellborni differs from P. aphanonaris in the absence of cuticular bosses from the caudal end of gravid females and in some other features (extent of embossment, body color, location, and host type).
- Subjects
UNITED States; NEMATODES; WORMS; INSECT nematodes; MONONCHIDA
- Publication
Journal of Parasitology, 2008, Vol 94, Issue 5, p1103
- ISSN
0022-3395
- Publication type
Article
- DOI
10.1645/GE-1523.1