A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia Author Flórez-V, Camilo 0000-0002-6091-8150 Grupo Biología CES, Colecciones Biológicas de la Universidad CES, Calle 10 A No. 22 - 04, Medellín-Antioquia, Colombia. kmilofv @ gmail. com; https: // orcid. org / 0000 - 0002 - 6091 - 8150 & Department of Entomology, The Pennsylvannia State University, 548 ASI Building, University Park, PA, USA, 16802. kmilofv@gmail.com text Zootaxa 2022 2022-10-11 5195 2 143 154 journal article 162549 10.11646/zootaxa.5195.2.3 c0f41ff6-556c-4638-9e5e-260d0f035fdf 1175-5326 7184659 9201D79E-FAA0-404A-9A83-D570BFFA167F Key to tribes of Membracinae (including Oropedium gen. nov. in incertae sedis ) 1. Forewing vein R initially divided into R 1 and Rs ( Fig. 5H, 5J , 6A, 6C )........................................... 2 1’. Forewing vein R initially divided into R 1+2+3 and R 4+5 ( Fig. 3C , 5G, 5I , 6B )....................................... 3 2 (1). Pronotum with latero-apical carinae ( Fig. 5J ); metathoracic tibia club-shaped, dilated apically; metathoracic tarsus shorter than pro- and mesothoracic tarsi...................................................................... Talipedini 2’. Pronotum lacking latero-apical carinae ( Fig. 5H ); metathoracic tibia with anterolateral and posterolateral margins subparallel or slightly dilated apically (except clavate in Havilandia Dietrich and McKamey ); pro-, meso- and metathoracic tarsi subequal in length................................................................................... Membracini 3 (1’). Metathoracic tibia clavate, metathoracic tarsus distinctly shorter than pro- and mesothoracic tarsi ( Fig. 6B )..................................................................................................... Hoplophorionini 3’. Metathoracic tibia not clavate ( Fig. 3C ), or, if slightly expanded apically, then tarsus subequal in length to that of prothoracic leg................................................................................................. 4 FIGURE 4. Male abdomen and genitalia of Oropedium tatamaense sp. nov. : Abdomen views: A) Dorsal, B) ventral, C) lateral. Pygofer views: D) ventral, E) lateral. Subgenital plate views: F) ventral, G) dorsolateral. Styles views: H) ventral, I) dorsal, J) lateral. Aedeagus views: K) lateral, L) posterolateral, M) anterolateral, N) caudal. tr: transversal ridge. FIGURE 5. Some important morphological traits in Membracinae . Frontal view: A) Aconophora flavipes (Aconophorini) , B) Enchenopa concolor (Membracini) , C) Philya sp. (Hypsoprorini) , D) Talipes fenestratus (Talipedini) , E) Bolbonota sp. (Membracini) . F) Alchisme grossa (Hoplophorionini) . Lateral view: G) A. flavipes , H) E. concolor , I) Philya sp. , J) T. fenestratus . ac: accessory carinae; apl: apical limbus; cl: clavus; fc: frontoclypeus; ha: humeral angles; irr: irregular carinae; lap: lateral apical carina; lc: lateral carina; Rb: vein R bifurcation; sa: supra-antennal ledges; shc: suprahumeral carina; *: extra-crossveins. FIGURE 6. Some important morphological traits in Membracinae . Lateral view: A) Bolbonota sp. (Membracini) ; B) Alchisme grossa (Hoplophorionini) , C) Leioscyta cf. spiralis (Membracini) . Lateral view abdomen: D) Bolbonota sp. ; E) Notocera crassicornis (Hypsoprorini) ; F) Cladonota apicalis (Hypsoprorini) . mst: mesothoracic tarsus; mtt: metathoracic tarsus. 4 (3’). Forewing with apical limbus extended over clavus ( Fig. 5I ); lateral margins of pronotum covering portions of apical limbus and veins of forewing (except Cladonota ); abdominal terga coarsely pitted ( Fig. 6E ) (although finer in Cladonota ; Fig. 6F ).............................................................................................. Hypsoprorini 4’. Forewing with apical limbus not extended over clavus ( Fig. 5G ); lateral margins of pronotum covering at most part of apical limbus of forewing; abdominal terga finely punctuated ( Fig. 4C )............................................... 5 5 (4’). Pronotum usually with anterior process, metopidium forming an acute angle with dorsal outline, pronotum without lateral carinae ( Fig. 5G )............................................................................ Aconophorini 5’. Pronotum plateau-shaped, lacking anterior process, metopidium forming an angle of 90º with dorsal outline, lateral carina extended from above metopidium almost to humeral angles ( Fig. 3B–C )............................................................................................. Oropedium tatamaense sp. nov. [ Membracinae incertae sedis ]