CICADELLINAE: PART 2. NEW WORLD CICADELLINI 1089 
medially, at least some of muscle impressions differentially colored; transcly- 
peal suture obscure, clypellus not swollen, its contour continuing profile of 
clypeus. 
Thorax with pronotal width less than transocular width of head, lateral 
margins parallel, dorsopleural carinae distinct and complete, or absent (vary- 
ing interspecifically), posterior margin convex or concave (varying interspeci- 
fically), disk not sculptured, not pubescent; scutellum not transversely striate 

FIGURE 881.—Versigonalia ruficauda (Walker) (a, 6, from specimen from 
Corrientes, Argentina; i-k, m, from Corupa, Brazil; remainder from Mis- 
iones, Argentina; arrows indicate extremities of toothed portion in k): p, 
Male pygofer and anal tube, from lateral view; q, left pygofer process, from 
ventral view. 
