{"title":"文章标题印度西孟加拉邦一新种雌雄间性散居线虫(线虫纲:蛛科)","authors":"Tanuka Das, Tandrani Das, Tiasi Ghosh Jana, Goutam Ghosh","doi":"10.18348/opzool.2023.5.159","DOIUrl":null,"url":null,"abstract":"A new species of free-living soil nematode, Terschellingia didistalamphida sp. nov., is described from paddy field in West Bengal, India. It is characterized by moderate body length (L=1.0–3.5 mm), possesses two amphids, only four cephalic setae. Amphideal fovea distant from the anterior end, stoma small and narrow, pharynx with well-developed terminal bulb. Females with amphidelphic ovaries. Males with paired testes, ventrally arcuate, short and stout spicules, gubernaculum with clearly developed dorso-caudal apophysis. Tail long and filiform, similar in both sexes. Fourteen female intersexes of Terschellingia didistalamphida sp. nov., with a prominent female reproductive structure and a less conspicuous male reproductive system, were found. These female intersexes are with well-developed vulva and prominent spicules, however, lack apophysis. A checklist for known cases of intersex across various nematode orders has been appended.","PeriodicalId":30029,"journal":{"name":"Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A new free-living nematode species, Terschellingia didistalamphida sp. nov. (Nematoda: Linhomoeidae), with female intersexuality from West Bengal, India\",\"authors\":\"Tanuka Das, Tandrani Das, Tiasi Ghosh Jana, Goutam Ghosh\",\"doi\":\"10.18348/opzool.2023.5.159\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new species of free-living soil nematode, Terschellingia didistalamphida sp. nov., is described from paddy field in West Bengal, India. It is characterized by moderate body length (L=1.0–3.5 mm), possesses two amphids, only four cephalic setae. Amphideal fovea distant from the anterior end, stoma small and narrow, pharynx with well-developed terminal bulb. Females with amphidelphic ovaries. Males with paired testes, ventrally arcuate, short and stout spicules, gubernaculum with clearly developed dorso-caudal apophysis. Tail long and filiform, similar in both sexes. Fourteen female intersexes of Terschellingia didistalamphida sp. nov., with a prominent female reproductive structure and a less conspicuous male reproductive system, were found. These female intersexes are with well-developed vulva and prominent spicules, however, lack apophysis. A checklist for known cases of intersex across various nematode orders has been appended.\",\"PeriodicalId\":30029,\"journal\":{\"name\":\"Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.18348/opzool.2023.5.159\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.18348/opzool.2023.5.159","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A new free-living nematode species, Terschellingia didistalamphida sp. nov. (Nematoda: Linhomoeidae), with female intersexuality from West Bengal, India
A new species of free-living soil nematode, Terschellingia didistalamphida sp. nov., is described from paddy field in West Bengal, India. It is characterized by moderate body length (L=1.0–3.5 mm), possesses two amphids, only four cephalic setae. Amphideal fovea distant from the anterior end, stoma small and narrow, pharynx with well-developed terminal bulb. Females with amphidelphic ovaries. Males with paired testes, ventrally arcuate, short and stout spicules, gubernaculum with clearly developed dorso-caudal apophysis. Tail long and filiform, similar in both sexes. Fourteen female intersexes of Terschellingia didistalamphida sp. nov., with a prominent female reproductive structure and a less conspicuous male reproductive system, were found. These female intersexes are with well-developed vulva and prominent spicules, however, lack apophysis. A checklist for known cases of intersex across various nematode orders has been appended.
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