_____________Mun. Ent. Zool. Vol. 3, No. 2, June 2008__________ 651 REPLACEMENT NAMES FOR THREE PREOCCUPIED MAYFLIES GENUS GROUP NAMES (EPHEMEROPTERA) Hüseyin Özdikmen* * Gazi Üniversitesi, Fen-Edebiyat Fakültesi, Biyoloji Bölümü, 06500 Ankara / TÜRKİYE, e- mail: ozdikmen@gazi.edu.tr [Özdikmen, H. 2008. Replacement names for three preoccupied mayflies genus group names (Ephemeroptera). Munis Entomology & Zoology 3 (2): 651-653] ABSTRACT: Three junior homonym genus group names were detected among the mayflies genus group names and so, the following replacement names are herein proposed: Novokivua nom. nov. for Kivua Lugo-Ortiz & McCafferty, 1997; Mccaffertya nom. nov. for Callistina Sun & McCafferty, 2001 and Ninadsa nom. nov. for Leptoneta Sinitshenkova, 1989. Accordingly, new combinations are herein proposed for the species currently included in these genus group names. Novokivua elouardi (Gillies, 1989) comb. nov. and Novokivua insuetum (Kopelke, 1980) comb. nov. from Kivua Lugo-Ortiz & McCafferty, 1997; Mccaffertya panda (Sun & McCafferty, 2001) comb. nov. from Callistina Sun & McCafferty, 2001 and Ninadsa calyptrata (Sinitshenkova, 1989) comb. nov. from Leptoneta Sinitshenkova, 1989. KEY WORDS: nomenclatural change, homonymy, replacement name, Coleoptera, Cerambycidae. Three previously proposed genus group names in the mayflies order Ephemeroptera is nomenclaturally invalid, as the genus group names have already been used by a different authors in Hymenoptera, Bivalvia and Araneae. In accordance with Article 60 of the International Code of Zoological Nomenclature, I propose substitute names for these genus names. Family BAETIDAE Genus NOVOKIVUA nom. nov. Kivua Lugo-Ortiz & McCafferty, 1997. Trans. Am. Entomol. Soc. (Phila) 122 (4), December: 182. (Insecta: Ephemeroptera: Siphlonuroidea: Baetidae). Preoccupied by Kivua Forsius, 1934. Rev. Zool. Bot. afr., 25, 398. (Insecta: Hymenoptera: Tenthredinoidea: Tenthredinidae: Blennocampinae). Remarks on nomenclatural change: The African mayfly genus Kivua Lugo-Ortiz & McCafferty, 1997 was proposed with the type species Cloeon insuetum Kopelke, 1980 in Ephemeroptera. Nevertheless the name Kivua is already occupied. Forsius (1934) described a hymenopteran genus Kivua with the type species Kivua seydeli Forsius, 1934 by original designation. Thus the mayfly genus Kivua Lugo-Ortiz & McCafferty, 1997 is a junior homonym of Kivua Forsius, 1934. So I suggest here that Kivua Lugo-Ortiz & McCafferty, 1997 should be replaced with the new name Novokivua , as a replacement name. Etymology: from the Latin word “nova” (meaning “new” in English).