Bulletin of Zoological Nomenclature 63 REPORT ON THE GENERIC NAMES ERIOPHYES SIEBOLD, 1851, AND PZ/rrO/^rt/^DUJARDIN, 1851 (ACARINA) Z.N.(S.) 2044 by the Secretary, International Commission on Zoological Nomenclature The present case started with an application by Dr V.G. Shevtchenko (All-Union Entomological Society, USSR) (Bull. zool. Nom. vol. 30: 196-197) for the use of the plenary powers to designate Phytoptus vitis Pagenstecher, 1857, as type species of Eriophyes Siebold, 1851, and Phytoptus avellanae Nalepa, 1899, as type species of Phytoptus. The application was supported by Dr Evert E. Lindquist (Biosystematics Research Institute, Ottawa, Canada) and 1 1 other zoologists from the USSR, Poland, India, New Zealand and South Africa. It was opposed by Mr Richard Newkirk (U.S. Environmental Protection Agency, Washington, D.C.) and Dr H.H. Keifer (Sacramento, California) who were supported by five other zoologists, all from the U.S.A. The Commission voted on the case in Voting Paper (1977) 14 from 1 July to 1 October 1977. At the close of that period, there were 18 votes in favour of Dr Shevtchenko's proposal and three against. Four voting papers were not returned. In returning his voting paper, Dr Sabrosky remarked: "Mr Newkirk tells me that there are several synonyms senior to avellanae, and we should consider those before placing avellanae on the Official List". In fact, the Commission must either suppress those senior synonyms, or rule that Phytoptus avellanae Nalepa, 1899, is to be given pre-cedence over them. On 30 December 1977 I received from Dr Sabrosky a copy of a letter from Mr Newkirk listing the synonyms in question: Acarus pseudogallarum Vallot, 1836, Mem. Acad. Sci. Arts, belles Lettres Dijon (1836): 189. Available name. Calycophthora avellanae Amerling, 1862, Sitzungsber. k. bohm. Ges. Wiss. (1862): 96. N omen nudum. Calycophthora avellanae Amerling, 1863, in Kirchner, Lotus ( 1 863) : 44. Nomen nudum. Phytoptus coryli Frauenfeld, 1865, Verh. zool.-bot. Ges. Wien, vol. 15: 263. Available name. Phytoptus coryligallarum Targioni-Tozzetti, 71885-1886, Atti Accad. Georg. Firenze, (4) vol. 8: 144, pi. 2, figs. 2, 8. Original not seen, but name presumably available from illus-trations, if no stronger reasons. Sunk as synonym of P. Bull zool. Nomencl. vol. 36, part 1, July 1979
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