14 Mr. James Edwards’ Synopsis of 
The two species of this genus are distinguished as 
follows :— 
Clavus deep black, its inner margin widely yellow 1. interruptus. 
Clavus brown, with thick whitish nerves .. -. 2. acuminatus. 
1. Evacanthus interruptus, L. 
Cicada interrupta, Linn., Faun. Suec., ed. u., 241, 
889; Fall., Hem. Suec., ii., 28, 5; Zett., Ins. 
Lapp., 289, 2. 
Amblycephalus interruptus, Curt., Brit. Ent., 572, 2. 
Evacanthus interruptus, Burm., Handb., 11., 116, 2; 
Flor, Rhyn. Liv., ii., 149, 1; Marsh., Ent. Mo. 
Mag., ii., 84,1; Kirschb., Cicad., 72,1; J. Sahl., 
Not. Fenn., xii., 107, 1. 
g. Face yellow; frons with a series of fine curved brown 
transverse lines, interrupted down the middle by a wide stripe of 
the pale ground colour. Crown yellow, with some irregular 
symmetrical black markings, which have a strong tendency to 
spread over the entire surface. Pronotum transversely striate, 
black, with a large triangle in the middle of the hind margin, and 
the latter narrowly, yellow; or entirely black. Scutellum yellow, 
more or less widely black on the sides. EHlytra yellow, a large 
spot occupying the apex and continued in an elongate triangular 
form as far as the middle, and an elongate triangular stripe 
occupying all but the inner margin of the clavus, deep black. 
Abdomen above black, sides widely and hind margins of the 
segments narrowly yellow. Legs yellow; hind tibie with black 
points at the roots of the larger spines. 
@. Similar to the male, but a trifle larger, and having the 
black markings somewhat reduced. Abdomen yellow, its sides 
widely black. Dimorphous. Length, 5—6} mm. 
Common and generally distributed. 
2. Evacanthus acuminatus, Fab. 
Cicada acuminata, Fab., Sys. Rhyn., 76, 68. 
C. interstincta, Fall., Hem. Suec., ii., 29, 6. 
Tettigonia acuminata, H.-Seff., Deut. Ins. iii., 9. 
Amblycephalus Germari, Curt., Brit. Ent., 572. 
Evacanthus acuminatus, Burm., Handb., u., 116, 1; 
Flor, Rhyn. Liv., i1., 152, 2; Marsh., Ent. Mo. 
Mag., ii., 85,2; Kirschb., Cicad., 73,2; J. Sahl., 
Not. Fenn., xii., 108, 2. 
