Genus Acinopterus Van Duzee, 1892

Description. Body moderately robust. Vertex about as long as pronotum, slightly wider than long; medially about 1.5 times as long as next to eye; anterior margin rounded, posterior margin almost straight. Crown-face transition narrowly rounded;

C

Figure |. Nymphs of leafhoppers. A Neocoelidia tumidifrons Gillette & Baker B same, face C Acinopterus acuminatus Van Duzee D Texananus sp. E same, face F Chlorotettix galbanatus Van Duzee.

acrometope distinct, with remnants of original anterior carina on dorsum of head. Face slightly wider than long; anteclypeus expanding towards apex with contraction at base, about two times as long as wide; lorum about as wide as anteclypeus; postclypeus slightly longer than wide; antenna short, reaching apex of anteclypeus. Pronotum 3.5 times as wide as long, with weak lateral carina. Forewing pads 1.5 times as long as pterothorax medially. Fore tibia with 4 macrochaetae in dorsal rows and numerous setae in ventral rows. Middle tibia with 4 macrochaetae in dorsal rows and 5 macrochaetae in ventral rows. Setal formula of hind femur 2+2+1; hind tibia with 8–9 macrochaetae in dorsal rows; anterodorsal row with 2– 4 intercalary setae among macrochaetae; posterodorsal row with 1– 2 intercalary setae; apex of hind tibia with pecten of 7 macrochaetae. First hind tarsomere with pecten of 5 platellae at apex. Abdominal tergites with 6–8 macrochaetae at posterior margins, often with additional shorter macrochaetae at anterior corners. Pygofer about 2 times as long as preceding abdominal tergites. Male gonapophyses triangular, slightly longer than wide, with pointed apices.