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Survey of Stenomelania Fisher, 1885 (Cerithioidea, Thiaridae): The potential of trematode infections in a newly-recorded snail genus at the coast of Andaman Sea, South Thailand
Zoosystematics and Evolution ( IF 1.6 ) Pub Date : 2020-11-30 , DOI: 10.3897/zse.96.59448
Kitja Apiraksena , Suluck Namchote , Jirayus Komsuwan , Wivichuta Dechraksa , Kampanat Tharapoom , Nuanpan Veeravechsukij , Matthias Glaubrecht , Duangduen Krailas

Stenomelania snails (Fischer 1885) have been reported from the coastal regions of the Indian Ocean and the Pacific Ocean, spanning India to Australia. Here, the species diversity and distribution of these snails in the south of Thailand are recorded. The snails were also examined for trematode infections in 13 locations in three Provinces, viz. Krabi, Trang and Satun, along the coast of the Andaman Sea. A total of 1,551 snails were in five morphs tentatively identified as Stenomelania aspirans, S. crenulata, S. punctata, S. torulosa and the closely-related Neoradina prasongi. With 10 infected snails, the trematode infection rate was 0.64%. The cercariae were categorised into three species from two morphologically-distinguishable types, viz. parapleurolophocercous cercariae (Haplorchis taichui and Procerovum cheni) and xiphidiocercariae (Loxogenoides bicolor), through the morphological characterisation of the larval stage. These trematodes were also analysed using the internal transcribed spacer subunit II region to confirm the species identity at generic and infrageneric levels.

中文翻译:

对 Stenomelania Fisher 的调查,1885 年(Cerithioidea,Thiaridae):泰国南部安达曼海沿岸新记录的蜗牛属吸虫感染的可能性

Stenomelania 蜗牛 (Fischer 1885) 已在印度洋和太平洋沿岸地区,从印度到澳大利亚都有报道。在这里,记录了这些蜗牛在泰国南部的物种多样性和分布。蜗牛还在三个省的 13 个地点接受了吸虫感染检查,即。甲米、董里和沙敦,安达曼海沿岸。共有 1,551 只蜗牛分为五种形态,初步确定为 Stenomelania aspirans、S. crenulata、S. punctata、S. torulosa 和密切相关的 Neoradina prasongi。感染10只蜗牛,吸虫感染率为0.64%。尾蚴从两种形态上可区分的类型中分为三种,即。parapleurolophocercous cercariae (Haplorchis taichus and Procerovum cheni) 和 xiphidiocercariae (Loxogenoides bicolor),通过幼虫阶段的形态特征。还使用内部转录的间隔亚基 II 区域对这些吸虫进行了分析,以确认在属和属下水平的物种身份。
更新日期:2020-11-30
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