Broad descriptions of the genera of Discocerinini are provided for the first time. Two new genera are described: Galaterina with type species G. noonadan sp. nov. from Papuan Region and Orasiopa with type species O. millennica sp. nov. from Australasian Region. Lamproclasiopa Hendel is recognized as a genus (with Basila Cresson as its new synonym). Eleven new combinations are proposed: one in Discocerina, nine in Lamproclasiopa, one in Orasiopa. A phylogenetic reconstruction based predominantly on male terminalia is given. Eleven taxa treated as genera are grouped into three lineages: Gymnoclasiopa (most plesiomorphous, monotypic), Diclasiopa-group (intermediate with following genera: Diclasiopa, Ditrichophora, Hecamedoides, Pectinifer), and Discocerina-group (most apomorphous with following genera: Discocerina, Galaterina, Hydrochasma, Lamproclasiopa, Orasiopa, and Polytrichophora).
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