An extraordinary new genus and three new species of Acostemmini (Hemiptera: Cicadellidae: Deltocephalinae) from Madagascar with comments on the morphology and classification of the tribe Zahniser, J. N. Nielson, M. W. Zootaxa 2012 2012-02-28 3209 1 28 52 8RL93 Zahniser & Nielson, 2012 Zahniser & Nielson 2012 [151,384,1470,1496] Insecta Cicadellidae Ikelibeloha GBIF Animalia Hemiptera 7 35 Arthropoda species cristata sp. nov.  ( Figs. 1–13)  Description.Length of male 7.2mm, female 7.5–8.2mm General color deep reddish-brown and orange with bright yellow markings. Yellow pronotum mottled with dark reddish-brown. Mesoscutellum yellow anteriorly; reddish brown posteriorly; with ~6 small teeth posteriorly. Forewing reddish-orange; with series of ~4 bright yellow dots from clavus onto corium; with triangular yellow mark between apex of A1 and claval suture; with large oblique yellow mark near Rs extending to costa; with yellow dot mesad of oblique mark; base of central anteapical cell with bright yellow mark; with longitudinal yellow mark in inner anteapical cell (Figs. 1,2). Female. Sternite VII about 1/2 as long as wide; more or less rounded apically. Male. Pygofer with thickened ridge continuing from posterodorsal apex ventrally to apical lobe; pygofer side with tenuous, lightly sclerotized portion ventroapically, forming triangular hyaline area (Figs. 3,8). Style apophysis articulated to basal part, chelate, outer marginal surface dimpled ( Fig. 4). Aedeagus stout; gonopore apical, sloping to posteroventral surface; posteroventral surface with long V-shaped hyaline area from gonopore extending ventrally (Figs. 5,6).   Material examined.  Holotype ♂( CAS): Firstlabel: MADAGASCAR: Province d’Antsiranana, Parc National Mantagne d’Ambre,  960m,  19 Mar–5 Apr 2001. Secondlabel: 12°30’52”S 49°10’53”E, California Acad. of Sciences, R. Harin’Halacollector, malaise trapMA-01-01A-09. Third label: DNA voucher lh177, extracted by R. Rakitov,  11.viii.2007, gen.sp. (crested pronotum). 1 paratype ♀( INHS): First label: MADAGASCAR: Province d’Antsiranana, Parc National Montagne d’Ambre, elev  980m,  4–19 Mar 2001, 12°30’52”S 49°10’53”E. Second label: California Academy of Sciences, Coll: M. Irwin, R. Harin’Hala, malaise trap, MA-01-01A-08. 1 paratype ♀( INHS): First label: CASENT 3001943. Second label: MADAGASCAR: Province d’Antsiranana, Sakalava Beach, dwarf littoral forest  10 m,  15 Feb –6 Mar 2001. Thirdlabel: 12°15’46” S, 49°23’51” E, California Acad. of Sciences, R. Harin’Halacollector, malaise trap- across sandy trail, MA-01-04B-03. 1 paratype ♀( CAS): same as previous except first label: CASENT 3001942.   Etymology.The adjectival species name,  cristata, refers to the crested pronotum. 2001-02-15 2007-08-11 2001-02-15 CAS, R, INHS Harin'Hala & M. Irwin & Third Madagascar California Acad. of Sciences 960 -12.262777 First 21 49.397503 California Academy of Sciences 8 36 4 3 1 holotype