British Homoptera-Cicadina. 45 
Not uncommon. Fieber’s figure of the male genitalia 
seen from below, is not characteristic. J. Sahlberg 
speaks of red or reddish varieties of this species, but I 
have not seen British specimens of these. 
2. Deltocephalus striifrons, Kbm. 
Deltocephalus striifrons, Kirschb., Cicad., 189, 12; 
J. pal, Noty Henn. 7) xu, .827,1/206 a8 errari, 
Cicad. agri. Ligust. 72, 20, and 74, 154. 
D. Mulsanti, Fieb., Syn. Eur. Delto., 16, 45, fig. 44; 
Scott, Ent. Mo. Mag., xii., 240, 2. 
D. longicaput, Scott, Ent. Mo. Mag., xii., sec. spec. typ. 
Oblong. Upper side bright yellow; three narrow stripes on the 
crown, five on the pronotum, and the basal half of the costa, 
white; a pair of short black lines on the apex of the crown. 
Crown in the male as long, in the female one-fourth longer, than 
its width at the base, about one-third longer in the middle than at 
the sides, the free sides nearly straight, angle pointed. Frons 
black, with whitish transverse lines, its central space occupied by 
a large whitish-yellow triangle, of the same width at the base as 
the clypeus, and reaching thence to the forehead ; infraocellar line 
broad, gently curved, and very well-defined, interrupted in the 
middle, and joined to the two short lines on the apex of the crown 
which represent the interocellar line. Pronotum about one-third 
shorter than crown. Elytra about as long as the abdomen, 
coriaceous on the basal half, afterwards subpellucid; nerves 
whitish. Legs yellow, striped, banded, and spotted with black. 
3; abdomen black, sides and apex yellow; genital plates yellow, 
reaching as far as the pygofer, separately rounded at the apex, 
their inner margin at least two and a half times as long as the 
valve, each one bearing a longitudinal impressed line, which is 
subparallel with the outer margin. 23 abdomen above yellow; a 
few of the basal segments black in the middle; under side yellow, 
with a wide black middle stripe, or entirely black; last ventral 
segment yellow, its hind margin semicircularly concave, with a 
deep narrow black-bordered angular notch in the middle. Length, 
34—33 mm. 
Not common. Amongst Ononis on the south coast. 
According to Reuter it is found on Trifolium. 
