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Xarifiid copepods (Copepoda: Cyclopoidea: Xarifiidae) parasitic in the coral Psammocora digitata Milne Edwards & Haime 1851 from Taiwan
Journal of Crustacean Biology ( IF 1.1 ) Pub Date : 2021-03-23 , DOI: 10.1093/jcbiol/ruab012 Yu-Rong Cheng, Yu-Chi Lin
Journal of Crustacean Biology ( IF 1.1 ) Pub Date : 2021-03-23 , DOI: 10.1093/jcbiol/ruab012 Yu-Rong Cheng, Yu-Chi Lin
Four species of xarifiid copepods, including three new species and one new distribution and host record, are discussed based on specimens obtained from a widely distributed scleractinian coral, Psammocora digitata Milne Edwards & Haime, 1851, collected from Taiwan: Xarifia conreptasp. nov., X. gracilissp. nov., X. lata sp. nov., and X. diminutaHumes & Ho, 1967. Xarifia conreptasp. nov. is distinguished from its congeners by the morphology of the endopods and exopods of legs, the genital segment, maxilliped, and maxillule; X. gracilissp. nov. is diagnosed by the morphology of the leg endopods and the region dorsal to the fifth legs; and X. latasp. nov. by its shorter body length, the terminal armature of endopods and exopods, and the morphology of the maxilliped. The specimens of X. diminuta are similar to those in the original description, except for the undeveloped endopods of legs 3 and 4. Including the three new species, five species of xarifiids are now known to use P. digitata as host, raising to 18 the number of species symbiotic copepod recorded from Psammocora.
更新日期:2021-03-23