Problematode, : Gaiani, 2017

Flórez-V, Camilo, 2019, Two amazing new species of treehoppers (Hemiptera: Membracidae) from Colombia: Calloconophora estellae sp. nov. and Problematode robertoi sp. nov., Zootaxa 4590 (5), pp. 561-576 : 575

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.

Figures

FIGURE 6. Holotype male of Problematode robertoi sp. nov. A) Lateral view, B) Ventral view, C) Dorsal view, D) Frontal view, E) Frontolateral view. Scale bar = 1 mm.