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e-ased.org, vol. 35, no. 2, pp.73-75, 2019

DOI: https://doi.org/10.5635/ASED.2019.35.2.001

First Record of the Marsh Fly Genus Ditaeniella (Diptera: Sciomyzidae) from Korea

Yeongjin Son1, Sang Jae Suh1,2,*

Affiliation: 1School of Applied Biosciences, Kyungpook National University, Daegu 41566, Korea 2Institute of Plant Medicine, Kyungpook National University, Daegu 41566, Korea

Abstract: Members of this family Sciomyzidae are known as marsh flies and snail-killing flies because most of the known larvae are obligate predators of Mollusca, especially freshwater and terrestrial Gastropoda. Most species are found in the shallow ephemeral aquatic habitats with rich organic substrates, such as the hard-water streams, small ponds and lakes in mountain valleys. To date, a total of 8 marsh fly species in 4 genera have been known in Korea. During a taxonomic survey of the family Sciomyzidae in Korea, the authors have found the genus Ditaeniella Sack, 1939; thus, it was discovered for the first time in Korea. This genus can be distinguished by the other related taxa with hairs over much of the mesopleuri, hairs on the prosternum and one orbital seta. In addition, the nominate species, Ditaeniella grisescens Meigen, 1830 was also firstly recoded in the Korean fauna.

Keyword: new record, Diptera, Sciomyzidae, Ditaeniella grisescens, Korea