1949] 
Fennah — Fulgoroidea 
55 
(7) (8) Frons with an oblique ridge distally on each 
side of middle V anuoides Metcalf 
(8) (7) Frons with median carina only Ladella Stal 
(9) (10) Median carina of vertex A -shaped 
Tang yria Uhler 
(10) (9) Median carina simple, not forked basally 
Tangella Metcalf and Bruner 
(11) (12) Vertex as long as pronotum and mesonotnm, 
more than twice as long as broad (13) 
(12) (11) Vertex produced before eyes but not greatly 
prolonged anteriorly (15) 
(13) (14) Vertex with median carina simple to base 
Remosa Distant 
(14) (13) Vertex with median carina forked basally 
Rotunosa Distant 
(15) (16) Tegmina with one or no transverse line distad 
of nodal line (17) 
(16) (15) Tegmina with numerous irregular cross-veins 
in membrane (25) 
(17) (18) Vertex distinctly longer than broad (19) 
(18) (17) Vertex not longer than broad (21) 
(19) (20) Tegmina with a row of subapical areoles dis- 
tad of nodal line Athestia Melichar 
(20) (19) Tegmina with only apical areoles distad of 
nodal line, no subapical line Riruga Fennah 
(21) (22) Vertex three times as broad as long 
Colgorma Kirkaldy 
(22) (21) Vertex twice as broad as long, or less (23) 
(23) (24) Species more than 7 mm. long; lateral pronotal 
fields and mesopleurites green 
Neorudia Fennah 
(24) (23) Species less than 7 mm. long; lateral pronotal 
fields at margin and a spot on mesopleurites 
piceous Amapala Melichar 
(25) (26) Vertex with median carina simple, unbranched 
basally (27) 
(26) (25) Vertex with median carina A or A-shaped (33) 
(27) (28) Frons ecarinate, sides of vertex parallel 
Pelitropis Van Duzee 
(28) (27) Frons medially carinate (29) 
