PHILOMETRA (RANJHINEMA) SALGADOI N-SP (NEMATODA, PHILOMETRIDAE) FROM THE OCULAR CAVITY OF THE RED GROUPER EPINEPHELUS-MORIO (PISCES, SERRANIDAE) FROM THE YUCATAN PENINSULA, MEXICO

A new nematode species, Philometra (Ranjhinema) salgadoi n. sp., is de scribed from females found in the ocular cavity of the red grouper (Ep inephelus morio) from the Mexican coast of the Gulf of Mexico (type lo cality Telchac, Yucatan). The nematode is characterized by the presenc e of 8 conspicuously large, crescent-shaped, fleshy cephalic papillae of the external circle and 2 small, subterminal papilla-like projectio ns on the caudal end. Another philometrid species, Philometroides belo usae n. sp., is established by indication for P. parasiluri (Yamaguti, 1935) sensu Ermolenko, 1984; its adult females are parasitic in the s ubcutaneous tissues of Percottus glehni in the Russian Far East.