CICADELLINAE: PART 2. NEW WORLD CICADELLINI 365 
sexes from Potrerillos, Panama (NCS); from Waspuc River, Musawas, 
Nicaragua (UCAL); from several Panama localities, Guatemala, and Costa 
Rica (USNM). Holotype on indefinite loan to USNM. 
L. arcuata, n. sp., is closely similar to L. dependens, n. sp., in the form of the 
aedeagus, but the basiventral aedeagal process lacks the small _pro- 
tuberance(s) found in dependens. The arcuate midclaval red spot and the corial 
arcuate red spot opposite the claval apex will serve to distinguish arcuata from 
other species. 
Ladoffa uncata, NEW SPECIES 
FIGURE 291, PAGE 363 
Length of male 6.5-6.9 mm, of female 6.5-6.8 mm. Head with median 
length of crown varying from almost nine-tenths of, to equal to interocular 
width, and from one-half to slightly more than one-half transocular width; 
clypeus convex, slightly flattened mediodorsally in some specimens, muscle 
impressions distinct. Male pygofer not strongly produced, posterior margin 
truncate, with a ventroapical slender process extending mesally across median 
line, with few macrosetae on posterior half of disk, antecosta near median line 
broadly expanded, platelike; plates extending posteriorly almost as far as 
pygofer apex; style extending posteriorly much beyond apex of connective 
which is subtrapezoidal; aedeagus with shaft extending posterodorsally, ven- 
tral margin convex with a pair of apicoventral processes extending postero- 
ventrally; paraphyses broadly stalked, the rami with few anteapical teeth; fe- 
male abdominal sternum VII with lateral lobes produced almost as far 
posteriorly as median lobe. 
Crown and pronotum dark gray; scutellum concolorous with crown and 
pronotum, with an anteapical red spot; forewing black with three claval red 
markings, the middle one extending from commissural to claval margin and 
anteriorly along latter; corium with only three red spots in a row parallel to 
claval suture, remaining corial red spots somewhat variable, with three costal 
red spots not extending uninterruptedly towards disk of clavus, but usually 
interrupted with black, apical costal spot with hyaline area before and behind 
and bordering costa, with a marginal hyaline area bordering concave apical 
margin; face, propleura, and legs, yellow. 
Holotype male, Barro Colorado Island, Panama Canal Zone, April 28-30, 
1964 (W. D. and S. S. Duckworth), five males and one female, same data; 
two topotypic males, May 1-9, 1964, same collectors, one female May 10-17, 
1964, same collectors; and one male, Mojinga Swamp, Panama Canal Zone, 
November 20, 1951 (F. S. Blanton) (USNM). 
L. uncata, n. sp., differs from all other species in the genus in the paired api- 
coventral processes of the aedeagus. 
Ladoffa variolara, NEW SPECIES 
FIGURE 292, PAGE 364 
Length of male 8.1-8.5 mm. Head with median length of crown from two- 
thirds to eight-tenths interocular width and from four-tenths to almost one 
