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2 March 2021 A New Species of Tapeworm in the Genus Stillabothrium (Rhinebothriidea: Escherbothriidae) from a Stingray from Borneo
Kaylee S. Herzog, Rebecca S. Meininger, Florian B. Reyda
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Abstract

Examination of spiral intestines from Himantura tutulBorsa, Durand, Shen, Arlyza, Solihin, and Berrebi, 2013 (=Himantura uarnak 3 sensu Naylor et al. [2012]), collected from Malaysian Borneo revealed the presence of a new species of tapeworm belonging to the genus Stillabothrium (Rhinebothriidea: Escherbothriidae). Stillabothrium borneoense n. sp. Herzog, Meininger, and Reyda is assigned to the genus based on its possession of a scolex with 4 bothridia divided into a distinct anterior region with facial loculi that are oriented horizontally and a distinct posterior region with facial loculi that are oriented vertically. The new species is distinguished from its congeners by features of the scolex and proglottids, including a vagina that recurves well anterior to the cirrus sac, as well as a unique locular arrangement not previously reported for members of this genus: 4 horizontally oriented loculi in the anterior region of the bothridia and 7 vertically oriented loculi in the posterior region of the bothridia. Stillabothrium borneoense n. sp. expands both known morphological variation and known host associations within the genus.

Kaylee S. Herzog, Rebecca S. Meininger, and Florian B. Reyda "A New Species of Tapeworm in the Genus Stillabothrium (Rhinebothriidea: Escherbothriidae) from a Stingray from Borneo," Comparative Parasitology 88(1), 34-40, (2 March 2021). https://doi.org/10.1654/1525-2647-88.1.34
Published: 2 March 2021
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