Catalogue of Diplotaxini (Coleoptera Scarabaeidae Melolonthinae) of the Old World Author Bezdĕk, Aleš text Zootaxa 2004 2004-03-16 463 1 1 90 https://biotaxa.org/Zootaxa/article/view/zootaxa.463.1.1 journal article 10.11646/zootaxa.463.1.1 1175­5334 5028548 Apogonia varians Ritsema, 1897 Ritsema (1897a) mentioned the name A. varians as a synonym of A. orbitalis Ritsema 1897 and attributed the name to Chevrolat, but without any description or indication. Therefore, the name is a nomen nudum .