• Korean journal of applied entomology
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• v.42 no.2
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• pp.91-100
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• 2003

Helicotylenchus clarkei Sher, 1966 and Rotylenchus usitatus Van den Berg et Heyns, 1974 were newly found in Korea from medicinal plant collection field in Gyeongbuk Agricultural Technology Administration, Daegu, Korea. So far, 9 species of Rotylechus (R. usitatus) and 8 species of Helicotylenchus (H. belli, H. cavenessi, H. clarkei, H. digonicus, H. dihystera, H. erythrinae, H. paraplatyarus, H. pseudorobustus) are recorded in Korea.