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ACKNOWLEDGEMENT I would like to express my thanks to the collectors of the material and to Dr. Z. F. KLYUCHKO (Kiev) for her kind help. REFERENCES DUFAY, C. (1957): Les espèces asiatiques du genre Abrostola O. (Unca auct.) (Lepidoptera, Agrotidae). - Bonner zool. Beitr., 8: 307-321. DUFAY, C. (1968): Revision des Plusiinae Paléarctiques I. Monographie du Genre Euchalcia HUbner. - Veröff. Zool. Stsamml. München, 12: 21-154. DUFAY, C. (1971): Description d' Abrostola kaszabi n. sp. de Mongolie, et note synonymique sur des Abrostola asiatiques. Ergebnisse der zoologischen Forschungen von Dr. Z. Kaszab in der Mongolei (Lepidoptera, Noctuidae, Plusiinae). - Reichenbachia, 13: 269-273. ICHINOSE, T. (1962): Studies on the Noctuid Subfamily Plusiinae of Japan. - Bull

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., Tokyo Univ. Agr. Techn., 6: 1-127. KLYUCHKO, Z. F. (1983): New and little known species of the Noctuid Moths of the genus Euchalcia Hbn. (Lepidoptera, Noctuidae). - Ent. Obozr., 62 (1): 123-130. RONKAY, L. (1983): Noctuidae (Lepidoptera) from Mongolia. Noctuidae Quadrifinae. - Annls hist.nat. Mus. natn. hung., _7_5: 229-246. Author's address:A Dr. L. RONKAY Zoological Department Hungarian Natural History Museum Baross u. 13. H -1088 Budapest Hungary Explanation of Plate 1. Abrostola gabori sp. n. Holotype, Mongolia - 2. Abrostola kaszabi Dufay, Holotype, Mongolia 3. Euchalcia exornata sp. n. Holotype, Mongolia - 4. Euchalcia exornata sp. n. Paratype, Mongolia