W. J.  Tennent and Kitching, I. J., ?A reappraisal of two endemic hawkmoths (Lepidoptera: Sphingidae) from the Solomons Archipelago?, Nachrichten des Entomologischen Vereins Apollo (N.F.), vol. 19, no. 1, pp. 1-21, 1998.

A.  Pelzer, ?Preimaginal stages of Smerinthus kindermanni, and comparison with S. ocellata (Sphingidae)?, Nota Lepidopterologica, vol. 21, no. 4, pp. 234-239, 1998.

J. M.  Maes, ?Fauna entomologica de la Reserva Natural Bosawas, Nicaragua. XIV. Cinco Sphingidae nuevos para la fauna de Nicaragua (Lepidoptera)?, Revista Nicaraguense de Entomologia, vol. 44, pp. 25-30, 1998.

W.  Hogenes and Treadaway, C. G., ?The Sphingidae (Lepidoptera) of the Philippines?, Nachrichten des Entomologischen Vereins Apollo (N.F.) Suppl., vol. 17, pp. 17-132, 1998.

M. A.  Diaz_Batres and Balcázar-Lara, M. A., ?Lepidópteros de la Reserva de la Biosfera "La Michilia", Durango, Mexico. Familias: Sphingidae y Saturniidae (Lepidoptera)?, Folia Entomologica Mexicana, vol. 99, pp. 17-27, 1998.

F.  Danner, Eitschberger, U., and Surholt, B., ?Die Schwärmer der westlichen Palaearktis. Bausteine zu einer Revision (Lepidoptera: Sphingidae)?, Herbipoliana, vol. 4, no. 1 & 2, pp. 1-368, 1-720, 1998.

J. - M.  Cadiou and Hodges, R. W., ?Adhemarius donysa (Druce): identification and notes on closely related species (Lepidoptera: Sphingidae)?, Proceedings of the Entomological Society of Washington, vol. 100, no. 2, pp. 202-208, 1998.

J. - M.  Cadiou, ?A new Ambulyx from Sri Lanka, and two new Macroglossum, one from Sulawesi and one from Halmahera (Lepidoptera, Sphingidae)?, Lambillionea, vol. 98, no. 3, pp. 441-444, 1998.

J. - M.  Cadiou, ?A new Sonoran Sphinx and another new Cypa from Sulawesi (Lepidoptera, Sphingidae)?, Lambillionea, vol. 98, no. 4, pp. 620-628, 1998.

R.  Brechlin, ?Clanis euroa baratana, eine neue, westliche Unterart von Clanis euroa Rothschild & Jordan, 1903 (Lepidoptera: Sphingidae)?, Nachrichten des Entomologischen Vereins Apollo (N.F.), vol. 19, no. 3/4, pp. 239-246, 1998.

R.  Brechlin, ?Sechs neue indoaustralische Schwärmerarten (Lepidoptera, Sphingidae)?, Nachrichten des Entomologischen Vereins Apollo (N.F.), vol. 19, no. 1, pp. 23-42, 1998.