FIGURE 13 in Liogenys Guérin-Méneville, 1831 (Coleoptera: Scarabaeidae: Melolonthinae) from the southern South American Transition Zone and boundaries: taxonomic overview with four new species

FIGURE 13. Liogenys maxillaricuspis Cherman, new species: A) head in ventral view, C) labium, G) right maxilla; L. brachyclypeata Cherman, new species: B) head in ventral view, D) labium; L. calcarata Frey, 1970: E) left maxilla; L. xanthocera Harold, 1869: F) right maxilla. Legends: A, B) CLP: clypeus, LBM: labium, LBR: labrum, MXL: maxilla, MXLP: maxillary palp. C, D) LGL: ligula, LPLP: labial palp, MTM: mentum, PMTM: postmentum.