98 Annals of the Carnegie Museum. 



At least eight of these forms are found in or near the regions in 

 which the present material was taken. 



Synopsis of the Species of Rodunia. 



A. Larger (d^, 19-33 mm.; 9, 25-36+ mm.). 



b. Lateral caringe of the pronotum parallel, straight. Antennae ensiform, 

 or more or less strongly flattened at their base. 

 c. Smaller (cf, 21 mm.; 9, 27 mm.). 

 d. Pale green or testaceous. 



e. The dorsum always pale green lata (Bolivar). 



ee. The dorsum testaceous, sanguineo-punctate. 



sangninolenta (Bolivar). 

 dd. Color smoky gray. Hind margin of the pronotum almost a 



right angle anguslala (Boliv'ar). 



cc. Larger (cf, 28-33 mm.; 9, ?)• 



d. Testaceous or green. Smaller (cT, 28 mm.; 9 , 35 mm.). 



basalts (Walker). 

 dd. Fulvous; head and pronotum with two white lateral stripes. 



Larger (cf , 33 mm.; 9 , ?) inlerlineata (Walker). 



bb. Lateral carinae of the pronotum not parallel, either bowed or divergent. 

 Antennae variable. 

 c. Pronotum with its lateral carinte divergent behind. 



d. Antennae subensiform or ensiform producta (Walker). 



dd. Antennae filiform, or but little flattened basally. 



e. Green or greenish testaceous. Vertex in front of the eyes 

 somewhat angulate, longer than wide (Sudan, West 



Africa) tricolor (Karny). 



ee. Olivaceous yellow. Vertex in front of the ej^es short, 

 rounded. (East Africa, in vicinity of Mozambique.) 



mossambicensis (Brancsic). 

 cc. Pronotum with the lateral carinae bowed inwards. Hind tibiae red. 



Wings pellucid inclyta (Walker). 



AA. Smaller (cf, 11. 5-18 mm.; 9, 17-20 mm.). 



b. Lateral carinae of the pronotum parallel. Antennae subensiform or 

 filiform. 

 c. Lateral carina becoming subobsolete posteriorly. General color 



rufo-fuscous tricarinata (Bolivar). 



cc. Lateral carinae continuous to the hind margin. Testaceous. 



recta (Walker). 

 bb. Lateral carinae of pronotum variable, but not parallel throughout. 

 Antennae more or less ensiform. 

 c. Pronotal carinae flexuous in front of their middle, divergent behind. 



schulthessi Kirby. 

 cc. Pronotal carinae divergent posteriorly. 



d. Antennae with their basal joints strongly flattened, more or 

 less ensiform. 



