16 Bullet in of Zoological Nomenclature OPINION 847 CHAMAEMYIA MEIGEN, 1803 (INSECTA, DIPTERA): DESIGNATION OF A TYPE-SPECIES UNDER THE PLENARY POWERS RULING. — (1) Under the plenary powers all fixations of type-species for the nominal genus Chamaemyia Meigen, 1803, made prior to the present Ruling, are hereby set aside, and the nominal species Chamaemyia elegans Panzer, (1806-1809), is hereby designated to be the type-species of that genus. (2) The following generic names are hereby placed on the Official List of Generic Names in Zoology with the Name Numbers specified ; (a) Chamaemyia Meigen, 1803 (gender: feminine), type-species, by designa--tion under the plenary powers in (1) above, Chamaemyia elegans Panzer, (1806-1809) (Name No. 1787); (b) Chyromya Robineau-Desvoidy, 1830 (gender: feminine), type-species by monotypy, Chyromya fenestrarum, Robineau-Desvoidy, 1830 (Name No. 1788). (3) The following specific names are hereby placed on the Official List of Specific Names in Zoology with the Name Numbers specified : (a) elegans Panzer, "t 1806-1809), as published in the binomen Chamaemy[i]a elegans (type-species of Chamaemyia Meigen, 1803) (Name No. 2234); (b)flava Linnaeus, 1758, as published in the binomen Musca flora (Name No. 2235). (4) The following family-group names are hereby placed on the Official List of Family-Group Names in Zoology with the Name Numbers specified: (a) CHAMAEMYiiDAE Hendel, 1910 (type-genus Chamaemyia Meigen, 1803) (Name No. 424); (b) CHYROMYiDAE Hendel, 1916 (type-genus Chyromya Robineau-Desvoidy, 1830) (Name No. 425). HISTORY OF THE CASE (Z.N.(S.) 1716) The present case was submitted to the office of the Commission by Dr. J. F. McAlpine and Dr. C. W. Sabrosky in August 1965. The application was sent to the printer on 12 August 1965 and was published on 2 November 1965 in Bull. zool. Nomencl. 22 : 267-268. Public Notice of the possible use of the plenary powers in the present case was given in the same part of the Bulletin as well as to the other prescribed serial publications (Constitution Art. 12b; Bull, zool. Nomencl. 21 : 184) and to seven entomological serials. Dr. L. B. Holthuis suggested that para. (1) of the proposals be amended to read "to set aside all designations of type-species, for the genus Chamaemyia" since the author's wording might create difficulties if another type designation for the genus was found to have been published between 1803 and 1809. DECISION OF THE COMMISSION On 3 November 1967 the Members of the Commission were invited to vote under the Three-Month Rule on Voting Paper (67)45 either for or against the proposals set out in Bull. zool. Nomencl. 22 : 268, and as amended by Dr. Bull. zool. Nomencl., Vol. 25, Part I. May 1968.
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