Two amazing new species of treehoppers (Hemiptera: Membracidae) from Colombia: Calloconophora estellae sp. nov. and Problematode robertoi sp. nov. Author Flórez-V, Camilo text Zootaxa 2019 2019-05-01 4590 5 561 576 journal article 26938 10.11646/zootaxa.4590.5.4 162fd3ef-01e7-42aa-aec3-2119d32eaead 1175-5326 2656452 E79C2423-14BA-44E5-A9C4-F5402B7E6CA7 Key to species of Problematode : 1. Pronotum with keel-like dorsal process.................................................... P. sakakibarai Gaiani 1’. Pronotum lacking dorsal process ( Fig. 6A, 6C ).............................................................. 2 2(1’). Dorsal region of pronotum with two bare, glabrous projections at each side of medial carina. Forewing with membrane punctate and sclerotized at basal half; reticulate venation at apical half with dense supranumerary crossveins; pro- and mesofemora each with medial spine on ventral margin..................................................... P. inerme Gaiani 2’. Dorsal region of pronotum lacking projections at each side of medial carina ( Fig. 6 D–E). Forewing with membrane punctuated and sclerotized at basal third (until before division of M and Cu); reticulate venation at apical half with supranumerary crossveins incomplete, leaving large membranous areas ( Fig. 6A, 6C ); pro- and mesofemora simple, without spine ( Fig. 6A, 6 D–E)..................................................................................... P. robertoi sp. nov.