CICADELLINAE: PART 2. NEW WORLD CICADELLINI 1091 
KEY TO SPECIES OF VERSIGONALIA 
Pronotum with posterior margin convex; male with paraphysis conspicu- 
ous and appearing as a ventral aedeagal process 
ruficauda (Walker (fig. 881) 
Pronotum with posterior margin concave; male with paraphysis inconspic- 
uous and occurring as a plate at apex of connective 
vermiculata, n. sp. 
Versigonalia vermiculata, NEW SPECIES 
FicurE 882 
Length of male 5.8 mm, of female 6.4-6.5 mm. Head with median length of 
crown between one-half and six-tenths interocular width and approximately 
one-third transocular width. Thorax with dorsopleural carinae absent, 
posterior pronotal margin shallowly concave. Male pygofer with apex sub- 
angulate, posteroventral margin with a slight convexity, macrosetae restricted 
to apical portion (one-third, or less) of pygofer; connective broadly Y-shaped. 
Paraphysis occurring as a small sclerite behind apex of connective, not ap- 
pearing to be a process of the aedeagus, in lateral view. Female abdominal 
sternum VII with posterior margin transverse and almost rectilinear; dorsal 
membrane of genital chamber with a sclerite on each side; second valvulae 
with weakly developed primary teeth in apical half. Other structural charac- 
ters as in generic description. 
Crown and anterior submarginal area of pronotum yellow, marked with 
confluent brown or black markings; scutéllum yellow with sparse variable 


FIGURE 882.—Versigonalia vermiculata, n. sp., (i from specimen from Misiones, 
Argentina; remainder from holotype): p, Male pygofer apex, right side, from 
ventral view; g, style, connective, and paraphysis, from dorsal view. 
