CICADELLINAE: PART 2. NEW WORLD CICADELLINI él 
REY TO MALES OF W. HEMISPHERE GENERA OF CICADELLINI *' * 
1. Cicadella, from the Old World, is also included (p. 569). 
2. Parinaeota, known only from a single female is not in the key, but is treated on page 79. 
3. Aspilodora Melichar (p. 1096) and Amalfta Melichar (p. 1096) known only from females 
1. 
10. 
are not included in the key. 
Abdominal sternum VIII bilobed; genitalia with an elongate median scler- 
ite between connective and aedeagus 
Palingonalia, new genus, page 427 
oo TA Ue. patie pease ait di egeacie er flee Radiat Rector pence a al 2 
Hindwing with submarginal vein coinciding with apical wing margin; 
aedeagus and connective fused, pygofer and plates without setae 
Vidanoana, new genus, page 1079 
Pee ADOVeICOMDInarion Of Characters: a..0-). wepiea< + ageism ean 3 
Clypeus with median area strongly concave; plates lobiform, rounded 
apically, with multiseriate macrosetae; connective with apex directed 
SOR ee Ae Ea lee ACAD cscs dlorginiehs Serpa Distant, page 1094 
Prone eave Combination Of ChATAGLCTS | |. fen ask io ihe ebine hmet © is: + 
Clypeus with median area strongly concave; hind femoral setal formula 
2:0:0; forewings with anteapical plexus of veins 
Chichahua, new genus, page 247 
Beet nove COMPDINATION OLCHALACTETS | jig. omit © Ee oe eee rae irg lo igh 5 
Pung lepmntidientoral’setaliformula 2:0:0) . 21:4 a age AR Be ie. oo 6 
mandies with femoralisetal formula otherwise, .......-.9¥00) +. 06s. -.: 16 
Head with a complete carina separating crown from face ............... ii 
Head usually without a carina at transition from crown to face, if pres- 
Sra RerLOCGUILING ONLY at ADE ve ies sss. 6) oe Pein, Ae wise. 5. 8 
Paraphyses present, clypeus convex, pronotum transversely rugose 
Trichogonia Breddin, page 49 
Paraphyses absent, clypeus concave dorsally, pronotum not sculptured 
Mesogonia Melichar (in part), page 480 
Hindleg with setae of first tarsomere in two rows on plantar 
“eNOS 3 a Ae Ang Se SS PS ee ee 2 
Hindleg with setae of first tarsomere irregularly arranged or multiseri- 
Se TQ ETE PATE WeS 9) ieee ie ragar erento = 08°" 5 IPE Oe aie ee ara ern eRe (e. 
Very large robust species, length 19 mm; forewing with more than five 
OURANCEILS wire EMA DONA. Sik Se oe Ge a Backhoffella Schmidt, page 320 
Smaller species; length less than 19 mm; forewing with four or five api- 
falmens ormithapical venation very irregulars ay. bi os bese eae ee 10 
BE TUIUC CACC OC TT LCC entender 11 
‘row without sculpturing ................. Pamplona Melichar, page 430 
