{"title":"Mothocya kaorui n. sp. (Crustacea: Isopoda: Cymothoidae), a fish-parasitic isopod with unique antennules from the Izu Islands, Japan.","authors":"Ryota Kawanishi, Yusuke Miyazaki, Takashi P Satoh","doi":"10.1007/s11230-023-10083-7","DOIUrl":null,"url":null,"abstract":"<p><p>A new species of fish-parasitic isopod in the family Cymothoidae is described from the Izu Islands, Japan. Mothocya kaorui n. sp. is reported from the gill cavities of the keeled needlefish, Platybelone argalus platyura (Bennett). Despite its unique morphological characters, such as completely article-fused antennules, mitochondrial DNA analysis indicated that it belongs to Mothocya Costa. The new species is clearly distinguished from all other species of Mothocya by having completely fused, stout antennules and partially fused, slender antennae; maxilla mesial lobe with 3 or 4 recurved robust setae, lateral lobe with 4-6 recurved robust setae; maxilliped with 5-8 robust setae on article 3; coxae 2 and 3 wide; black subtriangular pleotelson; and black uropods.</p>","PeriodicalId":54436,"journal":{"name":"Systematic Parasitology","volume":null,"pages":null},"PeriodicalIF":1.0000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Systematic Parasitology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1007/s11230-023-10083-7","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PARASITOLOGY","Score":null,"Total":0}
引用次数: 2
Abstract
A new species of fish-parasitic isopod in the family Cymothoidae is described from the Izu Islands, Japan. Mothocya kaorui n. sp. is reported from the gill cavities of the keeled needlefish, Platybelone argalus platyura (Bennett). Despite its unique morphological characters, such as completely article-fused antennules, mitochondrial DNA analysis indicated that it belongs to Mothocya Costa. The new species is clearly distinguished from all other species of Mothocya by having completely fused, stout antennules and partially fused, slender antennae; maxilla mesial lobe with 3 or 4 recurved robust setae, lateral lobe with 4-6 recurved robust setae; maxilliped with 5-8 robust setae on article 3; coxae 2 and 3 wide; black subtriangular pleotelson; and black uropods.
期刊介绍：
Systematic Parasitology publishes papers on the systematics, taxonomy and nomenclature of the following groups: Nematoda (including plant-parasitic), Monogenea, Digenea, Cestoda, Acanthocephala, Aspidogastrea, Cestodaria, Arthropoda (parasitic copepods, hymenopterans, mites, ticks, etc.), Protozoa (parasitic groups), and parasitic genera in other groups, such as Mollusca, Turbelleria, etc. Systematic Parasitology publishes fully illustrated research papers, brief communications, and fully illustrated major revisions. In order to maintain high standards, all contributors describing new taxa are asked to state clearly where the holotype is deposited and to make paratypes available for examination by the referees. It is recognized that, in some cases, this may cause problems for the authors, but it is hoped that by adhering to this rule authors may be protected against rapid synonymy of their taxa, and the types will be preserved for posterity.
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