BY F. W. GODING AND \V. W. FKOGGATT. 579* 



Genus Cicada, Linn. 



1766. Syst. Nat. p. 704. 



Body robust, moderately long. Head broad, equal in width to 

 base of pronotum; front prominent; ocelli double the distance 

 from the eyes as from each other; eyes sessile; apex of 

 clypeus truncated or subtruncated. Sides of jjronotu'in convex, 

 lightly broadened. Tegmina vitreous, sometimes marked with 

 brown; ulnar veins distant at base; interior ulnar area broadened 

 towards apex; basal area longer than broad; eight apical areas. 

 Wings vitreous, with six apical areas. Yvowt feinora with three 

 spines below. 



Type, Cicada ciliaris, Linn. 



Synopsis of Species. 



1 (6). Tegmina with apical areas more or less infuscated. 



2 (5). Bases of apical areas of tegmina, and apical portion 



of longitudinal veins lengthily, and external borders 

 of apical areas of wings lightly, infuscated; abdo- 

 men unicolorous. 

 8 (4). Black with yellow spots; posterior border of pro- 

 notum dark red ; fuscous markings on tegmina 

 strongly marked ^ ancjnlaris. 



4 (.S). Dark castaneous with yellow spots; posterior border 



of pronotum light yellow; fuscous markings on teg- 

 mina lightly marked hicroglyphica. 



5 (2). Bases of 2nd, 3rd, and 4th apical areas, and tips of 



longitudinal veins only, lightly infuscated; ochra- 

 ceous, with green markings; base of anal append- 

 age pale sylvana. 



6 (1). Tegmina immaculate; last abdominal segment and 



anal appendage broadly yellow. 



7 (8). Dorsum of pronotum and mesonotum immaculate; 



base of anal appendage black extrema. 



8 (7). Dorsum of pronotum and mesonotum marked with 



black or green; base of anal appendage yellow. 

 9(10). Mesonotum largely black ; opercula of male small... intersecta. 

 10 (9). Mesonotum green marked with yellow and black; 



opercula of male large svlvanella. 



