S. Mahunka szerk.: Folia Entomologica Hungarica 52. (Budapest, 1992)

Loc.No. 1345. Ryanggang Province: Samjiyon, 26 June 1988, O. Merkl & Gy. Szél. Larix olgcnsis forest mixed with Picea coreana, P. ajanensis and Betula pendula, with rich shrub-level and underwood. Sweeping and singling from the vegetation. - Oedemera lati col lis. Loc.No. 1346. Ryanggang Province: Samjiyon, 26 June 1988, O. Merkl & Gy. Szél. Singling from blossoming Crataegus pinnatifida. - Ditylus laevis. Loc.No. 1351. Ryanggang Province: Samjiyon, 27 June 1988, O. Merkl & Gy. Szél. Singling from blossoming shrubs (Sambucus buergeriana, Sorbus alnifolia, Syringa robusta). - Oedemera laticollis. Loc.No. 1361. Ryanggang Province: Taehongdan, 1000 m, 29 June 1988, O. Merkl & Gy. Szél. - Young Larix olgensis - Betula pendula forest. Singling and sweeping from the vegetation, mainly flowering shrubs. - Oedemera laticollis. Loc.No. 1363. Ryanggang Province: Mupo, Tuman-gang, 1000 m, 29 June 1988, O. Merkl & Gy. Szél. - Young Larix olgensis - Betula pendula forest, with ornamental shrubs along the pathes. Singling from the vegetation. - Ditylus laevis, Oedemera amurensis. Loc.No. 1365. Ryanggang Province: Chong-bong, 900 m, 30 June 1988, O. Merkl & Gy. Szél. - Dark, dense Larix olgensis - Betula pendula forest, with shrubs of willow in the clearings. - Ditylus laevis. Loc.No. 1368. Ryanggang Province: Konc hang, 800 m, 3) June 1988, O. Merkl & Gy. Szél. - Stream valley with shrubs of willow and rich underwood. Sweeping and singling from the vegetation. - Ditylus laevis. Loc.No. 1372. Ryanggang Province: Potae, 1 July 1988, O. Merkl & Gy. Szél. - Singling in cultivated area (arable lands and planted woods). - Ditylus laevis. List of species Ditylus laevis (Fabricius, 1787) (Fig. 1) Material examined. Ryanggang Province: Loc. No. 986 (2 specimens), Loc.No. 1346 (7 specimens), Loc.No. 1363 (6 specimens), Loc.No. 1365 (6 specimens), Loc.No. 1368 (4 specimens), Loc.No. 1372 (2 specimens). Distribution. North and Central Europe, Siberia (Schenkung 1915); Kurdes, Korea. New for the fauna of Korea. Chrysanthia integricollis Heyden, 1886 (Fig. 2) Material examined. Loc.No. 304 (1 specimen), Loc.No. 321 (6 specimens), Loc.No. 352 (21 specimens), Loc.No. 354 (19 specimens), Loc.No. 358 (22 specimens), Loc.No. 365 (4 specimens), Loc.No. 801 (1 specimen), Loc.No. 810 (2 specimens), Loc.No. 811 (4 specimens), Loc.No. 816 (2 specimens), Loc.No. 827 (7 specimens), Loc.No. 1317 (2 specimens), Ltx-'.No. 1318 (4 specimens), Loc.No. 1324 (1 specimen), Loc.No. 1331 (1 specimen), Loc.No. 1336 (11 specimens), Lœ.No. 1341 (1 specimen). Distribution. Southeast Siberia, Kuriles (Grcssitt 1939); Korea. New for the fauna of Korea. Nacerdes (s.str.) melanura (Linnaeus, 1758) Material examined. Loc.No. 92 (1 specimen), Loc.No. 1343 (1 specimen). Distribution. Cosmopolitan.