A cladistic analysis of the subtribe Homalotina Heer is presented. They are hypothesized to be a monophyletic group consisting of nine genera (Anomognathus Solier, Cephaloxynum Bernhauer, Holisomimus Cameron, Homalota Mannerheim, Neomalota Cameron, Stenomastax Cameron, Thecturota Casey, Homalotina gen. 1 new genus, Homalotina gen. 2 new genus), based on two synapomorphies: complete postoccipital sutures on head and macrosetae present on postero-lateral margin of metacoxa. The data set for phylogenetic analysis comprised 83 characters representing 248 character states derived from adult morpholgy. These data were analysed using equal weighting (EW) and implied weighting (IW) (k=1– 6) and supported the monophyly of the subtribe based on two unique characters (complete postoccipital sutures on head and macrosetae present on postero-lateral margin of metacoxa) and two homoplastic characters (head as wide as pronotum and antennal insertion on head slightly anterior to a line drawn between anterior margin of eyes). The topology of the IW trees with k=2–4 was the same and differed with the EW trees. The clade (Homalotina sp. 3 (Homalotina sp. 1, Homalotina sp. 2) was supported in all analyses and the clade ((Neomalota (Homalota flavomaculata (Stenomastax nigrescens, Stenomastax sp. 1))) was supported in all analyses except for the IW (k=2–4). The monophyly of genus Homalota was not supported at all and genus Stenomastax formed a monophyletic group only for the IW (k=2–4) resulting in a new combination [S. flavomaculata (Bernhauer) comb. nov.]. Also, we present two new genera resulting in two clades (Homalota intrusa, Homalota sp. 1) and (Homalotina sp. 1, Homalotina sp. 2)
Korean species of the genera Adapsilia Waga and Porogeloemyia Hendel are taxonomically investigated. So far, members of Pyrgotidae are known as internal parasites of adult scarabaeoid booties, but host relationships of the above two genera are not known yet. Based on the Korean specimens of these genera, adult external structures, including genitalia of both sexes, are described and illustrated. As a result, we recognized the following 10 species previously unknown in Korea: Adapsilia breviantenna sp. nov. ; A. coarctata Waga; A. cornugaster sp. nov.; A. hispida sp. nov.,; A. longifasciata sp. nov.; A. ochrosoma sp. nov.; A. tenebrosa sp. nov.; Parageloemyia nigrofasciata(Hendel); and P. wonjuensis sp. nov. In addition, we provided a key to the all 14 Korean pyrgotid species and conducted a cladistic analysis to infer phylogenetic relationships among them.