Revision of the genus Miridiba Reitter, 1902 (Coleoptera, Scarabaeidae, Melolonthinae): genital morphotypes and new taxonomic data

The genus Miridiba Reitter, 1902, of phytophagous chafers from Asia, is revised based on external morphological and genital (male female) characters. In this study, a total fifty-eight species were examined, the redescribed. Male characters Miridiba, especially morphology parameres endophallus, are studied in depth herein. female genitalia described detail for first time. According to characters, nine morphotypes, including fifty-four species, established under Miridiba. Sixty-seven type specimens studied. gressitti (Frey, 1970) comb. nov., borneensis (Moser, 1918) coxalis (Arrow, 1944) rugaticollis 1913) nigrescens 1916) scutata (Reitter, 1902) ciliatipennis 1903) nov. brunneipennis transferred Holotrichia. Holotrichia dalatensis Frey, 1970 as synonym sinensis (Hope, 1842). Four junior subjective synonyms proposed: pilosella 1908) (= formosana Moser, 1909), 1970), scutulata Dalla Torre, 1912 lassallei Keith, 2010). frontalis (Fairmaire, 1886) resurrected valid species. A key 51 58 presented.