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e-ased.org, vol. 35, no. 3, pp.95-104, 2019

DOI: https://doi.org/10.5635/ASED.2019.35.3.028

Three Newly Recorded Species of the Family Mesorhabditidae (Nematoda: Rhabditida) in South Korea

Taeho Kim, Joong-Ki Park*

Affiliation: Division of EcoScience, Ewha Womans University, Seoul 03760, Korea

Abstract: The family Mesorhabditidae Andrassy, 1976 is the most abundant group in Rhabditoidea and occurs all over the world. Over 85 valid species have been reported from Mesorhabditidae; however, only 2 species have been recorded in South Korea. In this study, Bursilla vernalis Andrassy, 1982, Mesorhabditis inarimensis (Meyl, 1953) Dougherty, 1955, and M. minuta Bostrom, 1991 belonging to the family Mesorhabditidae (Rhabditomorpha), are newly reported from South Korea. Species in this family are distinguished from other rhabditomorphs by a posteriorly located vulva and an unpaired prevulval female gonad. Details of the morphological characters and morphometrics of B. vernalis, M. inarimensis, and M. minuta are described and illustrated based on optical and/or scanning electron microscopy.

Keyword: Mesorhabditidae, Bursilla, Mesorhabditis, SEM, new record