British Homoptera-Cicadina. 15 
3d. Frons dark brown or black, with a series of fine pale trans- 
verse lines; upper margin pale, at least in the middle; cheeks 
pale, more or less marked with dark brown or black. Crown 
black, sides irregularly pale. Pronotum and scutellum black, the 
hind margin of the former very narrowly pale. Elytra dirty 
yellowish, with the inner two-thirds of the clavus, an abbreviated 
-band across the middle of the corium, and a large spot at the apex 
dark brown, the thick nerves and a large triangular spot on the 
apex of the costa whitish. Abdomen above blackish, pale in the 
middle behind. Legs dirty yellow, claws black. The dark 
markings on the elytra have a strong tendency either to coalesce 
or be reduced. 
@. Face as in the last species. Crown dark brown, its sides 
widely pale. Pronotum dirty yellow, the sides widely and a broad 
central stripe black; behind each eye there is frequently a short 
black line or a few black points. Scutellum black, sometimes 
indistinctly pale at the base. Otherwise coloured as in the male, 
but generally paler. Dimorphous. Length, 5—6 mm. 
Common. 
li. TeTt1aonta, Geoffr. (Pl. IIL, fig. 8). 
Geofir., Hist. abr. Ins., i., 429 (1762). 
Upper side bare. Ocelli near the hind margin of the crown, the 
distance between each ocellus and the inner margin of the eye 
about twice as great as the distance between the ocellus and the 
hind margin of the crown. The frons encroaches on the horizontal 
upper surface of the head in the form of two wide arcuate lobes, 
separated from the crown proper by an impressed line, which is 
more distinct in the male than in the female. Submarginal wing- 
nerve running into the first nerve. 
1. Tettigonia viridis, L. 
Cicada viridis, Linn., Syst. Nat., v., 466, 46. 
Tettigonia viridis, Germ., Mag. d’Ent., iv., 72, 25; 
Burm., Handb., 11., 118, 4; Flor, Rhyn. Liv., ii., 
145, 1: Marsh., Ent. Mo. Mag., u., 83, 1; 
Kirschb., Cicad., 72, 1; J. Sahl., Not. Fenn., 
sa 8 Sr 5 al 
T’. arundinis, Germ., l.c., 71, 24; Burm., l.c., 118, 5. 
Amblycephalus viridis, Curt., Brit. Ent., 572, 1. 
Tettigonia flavicatella, Herkl., Faun. Nederl., i., 183, 
132. 
