| three species of calydiscoides (monogenea: diplectanidae) from five lethrinus spp. (lethrinidae: perciformes) off new caledonia, with a description of calydiscoides terpsichore sp. n. | numerous specimens of calydiscoides spp. from lethrinus nebulosus and l. harak, and fewer specimens from l. lentjan, l. ravus and l. obsoletus, collected off new caledonia, south pacific, were examined. three species of calydiscoides were recognized. calydiscoides difficilis (yamaguti, 1953) young, 1969 was generally the most abundant species on the five hosts. specimens of c. difficilis were measured and compared to the type specimens (from indonesia) and museum vouchers (from australia and the ... | 2007 | 19245190 |