Hindwings of cyclocephaline species. 18 Peltonotus nasutus Arrow; labeled veins of the hindwing 19 Cyclocephala amazona (Linnaeus); labeled veins of the hindwing 20 C. amazona; view of vein RA proximal to AH showing lack of setae and double row of pegs 21 C. amazona; view of vein RA 3 distal to AH showing lack of setae. Arrow indicates membranous border of RA 3 22 Chalepides barbatus (Fabricius); view of veins RA and RA 3 showing presence of setae proximally and distally from AH. Arrow indicates the presence of setae along RA 3 23 C. barbatus; view of vein RA 3 distal to AH showing erect row of setae along the vein. Abbreviations: AA=Anal anterior vein; AP=Anal posterior vein; AH=Apical hinge of hind wing; CuA=Cubitus anterior vein; MP=Medial posterior vein; RA=Radius anterior vein; RP=Radius posterior vein; ScA=Subcosta anterior vein.