Description of Pseudacrobeles (Pseudacrobeles) curvatus sp. n. (Cephalobidae: Rhabditida) in South Korea.

Jiyeon Kim, Taeho Kim, Joong-Ki Park

Abstract


Pseudacrobeles (Pseudacrobeles) curvatus sp. n. was collected from potato fields in Gyeongsangnam-do, South Korea. The new species shares morphological characters typical of the genus Pseudacrobeles, including three lateral incisures that fade posteriorly near the phasmid openings. The new species differs from other Pseudacrobeles species by its smaller body size and a comparatively shorter corpus relative to the isthmus length. In this study, we provide a comparison of morphometrics and diagnostic features of Pseudacrobeles species and molecular sequence data from the D2-D3 regions of the 28S ribosomal DNA (rDNA) and ITS1-5.8S-ITS2 region of rDNA from the new species, which can be used as molecular barcode sequences.

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