Bulletin of Zoological Nomenclature 51(1) March 1994 17 Case 2713 COLYDHDAE Erichson, 1842 (Insecta, Coleoptera): proposed precedence over CERYLONIDAE Billberg, 1820 and ORTHOCERCVI Blanchard, 1845 (1820); and Cerylon Latreille, 1802: proposed conservation of Lyctus histeroides Fabricius, 1792 as the type species Hans Silfverberg Zoological Museum, P.O. Box 17 (N.Jdrnvdgsgatan 13), FIN-00014, Helsingfors Universitet, Finland Abstract. The purpose of this application is to conserve the usage of the beetle family-group name colydiidae Erichson, 1 842 by giving it precedence over the senior names cerylonidae Billberg, 1820 and orthocerini Blanchard, 1845 (1820). Additionally, it is proposed to maintain the nominal genus Cerylon Latreille, 1802 in its current usage by designation of Lyctus histeroides Fabricius, 1792 as its type species. 1. The genus Colydium was established by Fabricius (1792, p. 495) with four included species, among them Bostrichus elongatus Fabricius, 1787 (p. 36; the generic name was printed Bostricilus in error). Latreille (1810, p. 431) designated B. elongatus as the type species of Colydium. Erichson (1842, p. 213) formed the family COLYDnDAE (as Colydii); he based this name on Colydium which he mentioned earlier in his paper (p. 1 14) but not on the pages where the family-group name was given. Erichson (1845, p. 251) later discussed the family in more detail and included a number of subordinate family-group names. 2. The genus Orthocerus was established by Latreille (1796, p. 16) who gave a description but did not include any species. Later (Latreille, 1807, p. 172) he used this generic name for Tenebrio hirticornis De Geer, 1775 (p. 47), which thus became the type species of Orthocerus by subsequent monotypy. Blanchard (1845, p. 29) established a new family which he called 'Orthocerites', based on the genus Orthocerus. Reitter (1882, p. 116) was the next worker to use Orthocerus as the basis for a family-group name, the tribe orthocerini. 3. lUiger (1798, p. 339) established a new genus Sarrotrium with only one nominal species, Hispa mutica Linnaeus, 1767 (p. 604); Linnaeus (1767) had introduced that name as an unnecessary replacement for Dermestes clavicornis Linnaeus, 1758 (p. 355). Billberg (1820, p. 9) listed Sarrotrium in a separate family ('Natio Sarrotriides'). 4. When De Geer (1775) described Tenebrio hirticornis, the type species of Orthocerus (para. 2 above), he gave both Dermestes clavicornis and Hispa mutica as synonyms. Sarrotrium is a junior subjective synonym of Orthocerus, and it has not been used this century. Accordingly, the family-group names based on Sarrotrium and Orthocerus are also subjective synonyms. With one exception orthocerini has been in universal use since Reitter (1882). Under Article 40b of the Code it should be retained, but given the precedence of the senior synonym, i.e. recorded as ortho-cerini Blanchard, 1845 (1820). The exception is Burakowski, Mroczkowski &
Case 2713. Colydiidae Erichson, 1842 (Insecta, Coleoptera): proposed precedence over Cerylonidae Billberg, 1820 and Orthocerini Blanchard, 1845 (1820); and Cerylon Latreille, 1802: proposed conservation of Lyctus histeroides Fabricius, 1792 as the type species
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