CICADELLINAE: PART 2. NEW WORLD CICADELLINI 539 
71. Genus CYCLOGONIA MeELICcHAR 
Ficures 443-449 
Cyclogonia Melichar, 1926a:350. Type-species: Tettigontella cyclopula Jacobi, by original 
designation. 
Length 7.6-9.6 mm. 
Head slightly produced, median length of crown from slightly less than 
four-tenths to one-half interocular width and from one-fifth to slightly more 
than one-fourth transocular width, anterior margin broadly rounded in dorsal 
view, without a Carina at transition from crown to face, ocelli located behind a 
line between anterior eye angles, relative distance from ocellus to median line 
of crown and to adjacent anterior eye angle variable interspecifically, crown 
with or without a transverse concavity before ocelli (variable intraspeci- 
fically), surface without distinct sculpturing, without setae, lateral clypeal 
sutures extending onto crown and attaining ocelli; antennal ledges not 
protuberant, in lateral view with anterior margins oblique and convex; 
clypeus flattened medially, sculpturing of flattened portion varying from finely 
granulate to irregularly rugose, muscle impressions distinct; face without 
pubescence or with weak pubescence at apex of clypellus (variable interspeci- 
fically), transclypeal suture interrupted medially, clypellus completely (C. 
serenula Breddin)) continuing contour of clypeus or curved more abruptly 
posteriorly in profile (all other species). 
Thorax with pronotal width equal to or greater than transocular width of 
head, lateral margins convergent anteriorly, dorsopleural carinae complete or 
not (varying interspecifically), posterior margin concave, disk without 
punctures and usually without transverse rugosity (variable interspecifically); 
scutellum not striate behind transverse sulcus. Forewing with or without a 
membrane, veins not distinct, not elevated, inner anteapical cell open basally, 
with four apical cells, the base of the fourth more proximal than base of third, 
without an anteapical plexus of veins, texture coriaceous and without 
sculpturing; posterior extent of forewings of female relative to that of 
ovipositor unknown except in serenula (Breddin) in which the apex of the 
ovipositor is exceeded by the forewings. Hindleg with femoral setal formula 
2:1:1; length of first tarsomere slightly greater than combined length of two 
more distal tarsomeres and with two seat ttes longitudinal rows of small setae 
on plantar surface. 
Male genitalia: Pygofer strongly produced posteriorly, posterior margin 
varying from narrowly to broadly convex, macrosetae numerous and with 
distribution either: a. multiseriate and extending submarginally parallel to 
dorsal margin anteapically, parallel to apical margin anteapically and parallel 
to posteroventral margin anteroventrally; or b. fairly uniform over posterior 
half of pygofer; pygofer without processes. Plates slender, triangular, not ex- 
tending as far posteriorly as pygofer apex, with uniseriate macrosetae. Style 
not extending posteriorly nearly as far as apex of connective, with distinct pre- 
apical lobe. Connective elongate, Y-shaped, the arms short. Aedeagus 
elongate, curved gradually ventrad. Paraphyses consisting of a slender basal 
