CICADELLESTAE : PART I. PROCONIINI 35 



4. Large species with costal and apical margins of forewings bordered 



with reddish brown D. niveum Melichar (fig. 8) 



Not as above 5 



5. Species orange hued, forewing reticulate veined (known only 



from Mexico and Costa Rica) . . D. biolleyi Distant (fig. 12) 



Species chalky white or sordid brown, occasionally marked v/ith 



red, forewings with or without a conspicuous plexus of veins 



(distribution varied, including Mexico and Costa Rica) ... 6 



6. Aedeagus with three ventral processes arising at base, 



D. rizopatroni, new species (p. 45) 

 Aedeagus not so 7 



7. Aedeagal shaft very short with paired dorsal and ventral processes, 



D. stesilea Distant (fig. 15) 

 Aedeagal shaft not so 8 



8. Aedeagal shaft with a short, angular process on each side at 



base D. ptolyca Distant (fig. 16) 



Aedeagal shaft not so 9 



9. Aedeagal shaft with an apical Y-shaped process. 



D. diommonotum Schmidt (fig. 17) 

 Aedeagal shaft not so 10 



10, Aedeagal shaft with a number of ventral processes in apical 



fourth D, colombiae, new species (p, 42) 



Aedeagal shaft not so 11 



11, Aedeagal shaft with three apical processes 21 



Aedeagal shaft not so 12 



12, Aedeagal shaft in lateral aspect abruptly narrowed in apical half, 



D. blantoni, new species (p. 42) 

 Aedeagal shaft not or very gradually narrowed in apical half , 1 3 



13, Aedeagal shaft short, with a slight apical projection from dorsal 



margin of broadly truncate apex. 



D. chinai, new species (p. 43) 

 Aedeagal shaft not as above 14 



14, Aedeagus with basiventral process bifurcate, abruptly curved 



cephalad anteapically . D. bituberculatum (Signoret) (fig. 21) 



Aedeagus with basiventral process(es) or paraphyses not abruptly 



curved cephalad anteapically 15 



15, Aedeagus with ventral process(es) not extending posterodorsally 



farther than apex of shaft 16 



Aedeagus with ventral processes extending posterodorsally 

 farther than apex of shaft 17 



16, Aedeagus with ventral process branched before apex, 



D. rugicolle (Signoret) (fig, 22) 

 Aedeagus with ventral process single, unbranched. 



D. thoracis, new species (p. 45) 



