W.  Speidel and Kaltenbach, T., ?Eine neue Unterart des Abendpfauenauges aus Sardinien (Lepidoptera, Sphingidae)?, Atalanta, vol. 12, no. 2, pp. 112-116, 1981.

Y. L.  Shchetkin, ?[New subspecies of Eumorpha suellus Stgr. from Pamir-Alaya (Lepidoptera: Sphingidae)]?, Izvestiya Akademii Nauk Tadzhikskoi SSR, vol. 4, no. 85, pp. 90-92, 1981.

J. C. E.  Riotte, ?Transfer of the sphingid genus Sataspes from the subfamily Macroglossinae to the subfamily Sphinginae (Lepidoptera, Sphingidae)?, Pacific Insects, vol. 23, no. 1-2, pp. 207-210, 1981.

J. C. E.  Riotte, ?Bemerkungen zur Schwärmergattung {IAngonyx} Boisduval (Lep.: Sphingidae)?, Entomologische Zeitschrift, vol. 91, pp. 25-34, 1981.

R.  Lichy, ?Documentos para el estudio de los Sphingidae de Venezuela (Lepidoptera Heterocera) (15a nota) Baniwa yavitensis gen.n., sp.n. e Isognathus mossi fabianae ssp.n., nuevos Sphingidae de la Region Amazonica de Venezuela?, Boletín de Entomologia Venezolana, N.S., vol. 1, no. 5, pp. 57-70, 1981.

J. B.  Heppner, ?The dates of E.J.C Esper's Die Schetterlinge in Abbildungen..1776-[1830]?, Archives of Natural History, vol. 10, pp. 251-254, 1981.

T. W.  Harman, ?A preliminary survey of the hawkmoths (Sphingidae) of Brunei?, Brunei Museum Journal, vol. 5, pp. 92-96, 1981.

E. M.  Antonova, ?Type specimens of Lepidoptera, deposited in the collection of the Zoological Museum of the Moscow State University?, Sbornik Trudov Zoologicheskogo Muzeya MGU, vol. 19, pp. 208-227, 1981.