新种，（原生生物：顶复门：单房科），1978年从印度蚯蚓朱尔卡获得的斯坦属（1848年）一种新的无隔簇虫类物种。
sp.nov., (Protista: Apicomplexa: Monocystidae) a new aseptate gregarine species of the genus Stein, 1848 obtain from an Indian Earthworm, , Julka, 1978.
作者信息
Bhowmik Biplab, Bandyopadhyay P K
机构信息
Parasitology Laboratory, Department of Zoology, University of Kalyani, Kalyani, 741235 West Bengal India.
出版信息
J Parasit Dis. 2017 Mar;41(1):112-116. doi: 10.1007/s12639-016-0759-4. Epub 2016 Mar 29.
During the course of a biodiversity survey of the endoparasitic aseptate gregarines in the Malda district of West Bengal, India, seminal vesicles of the earthworm, , Julka 1978 were found to be infested with a new species, sp.nov., of the genus, Stein (Arch Anat Phys Med 181-223, 1848). The trophozoite is elongated but slightly constricted posteriorly. A tail like protrusion appears in the posterior end. Anterior end is rather wider than the posterior one. The whole body size of the trophozoite measures 102.2-184.0 (126.7 ± 19.9) µm × 40.9-81.8 (58.2 ± 10.0) µm. Size of the nucleus ranges from 10.2 to 16.3 (11.9 ± 1.9) µm × 8.1-12.2 (8.8 ± 1.2) µm. The gametocysts are ovoidal containing two unequal gametocytes. Diameter of it measures 61.3-98.1 (75.8 ± 8.6) µm. Oocysts are navicular and measures 6.9-10.0 (8.7 ± 0.9) µm × 3.0-4.6 (4.3 ± 0.4) µm.
在对印度西孟加拉邦马尔达地区的内寄生无隔簇虫进行生物多样性调查的过程中，发现蚯蚓（朱尔卡，1978年）的精囊被一种新物种——斯坦属（Stein，1848年，《解剖学、生理学与医学文献》第181 - 223页）的新种感染。滋养体呈细长形，但后端略有收缩。后端出现一个类似尾巴的突出物。前端比后端宽。滋养体的整体大小为102.2 - 184.0（126.7 ± 19.9）微米×40.9 - 81.8（58.2 ± 10.0）微米。细胞核大小范围为10.2至16.3（11.9 ± 1.9）微米×8.1 - 12.2（8.8 ± 1.2）微米。配子囊呈卵形，包含两个不等的配子细胞。其直径为61.3 - 98.1（75.8 ± 8.6）微米。卵囊呈舟形，大小为6.9 - 10.0（8.7 ± 0.9）微米×3.0 - 4.6（4.3 ± 0.4）微米。
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