Diestostemma spp. 5 Diestostemma sp., nymph, from Mérida, Venezuela (courtesy of D. Takiya) 6–12 Diestostemma bicristata, sp. nov., holotype 6 head and partial thorax, ventroanterior view 7 head and pronotum, dorsoanterior view 8 connective and styles, dorsal view 9 pygofer base and subgenital plates, ventral view 10 pygofer and subgenital plate, lateral view 11, 12 aedeagus and basiventral process in lateral and posterior views, respectively (left ramus broken).