Synoptic list of Symphyta (Hymenoptera) in Korea Author Lee, Jong-Wook Author Park, Jin-Kyung Choi and Bia text Journal of Species Research 2019 8 1 1 96 journal article 10.12651/JSR.2019.8.1.001 2713-8615 344. Siobla ferox (F. Smith, 1874 ) ḀOiƞDzḇ (NK: ǖūƞDzḇ ) Macrophya ferox F. Smith, 1874: 379 . Siobla grandis Matsumura, 1912: 50-51 . Korean records. Doi, 1938 ; Cho, 1961 ; Kim, 1963 ; Zool. Soc. Kor., 1968; Chu, 1969 ; Kim, 1970 ; Kim et al ., 1994 ; Lee and Ryu, 1996a ; Lee et al ., 2000 ; Paek et al ., 2010 ; Ahn et al ., 2013 ; Shinohara et al ., 2013; Lyu et al ., 2014 . Host plants. Dioscorea japonica Thunb. , Dioscorea polystachya Turcz. , Impatiens noli­tangere L., Impatiens textori Miq. , Reynoutria forbesii (Hance) T. Yamaz. , Reynoutria japonica Houtt. , Rumex japonicas Houtt. , Rumex sp. , Spinacia oleracea L. Distribution. Korea (South, North), China , Japan .