116 GENERIC SYNOPSIS. 
ASIRACA Latr. Detrnax p. Fab. 4 sp. A. clavicornis Fab. Curtis, 445. 
Antenne much longer than the head; basal joint longest, carinated ; ocelli 0. 
DELPHAX Fab. 19 sp. D. minuta Fab. Curtis, 657. 
Antenne not longer than the head; basal joint shorter than the second, and 
entire ; ocelli two. 

Obs. Criomorphus Curt. is composed of partially developed individuals of 
Delphax. 
Family 3. CHRCOPIDZ Leach. (Cicadelles Latr. Cica- 
dellina and Membracina Burm.) 
SMILIA Germar. Centrortus p. Curt. 1 sp. S. Geniste L. Curtis, 313. 
Tibiz prismatical, not dilated; tarsi equal ; prothorax extended over the abdomen. 
CENTROTUS Fab. Mempracis St. Cat. 1 sp. C. cornutus L. 
Tibiz flattened, denticulate at the edge; prothorax extended over the abdomen ; 
seutellum distinct. Donoy. pl. 83. 
LEDRA Fab. Memeracis p. Oliv. 1 sp. LL. aurita Linn. My fig. 116. 1. 
Head flat ; prothorax lobed at the sides; scutellum exposed; hind tibiz flat, ser- 
rated. 
EUPELIX Germar. Cicava Fab. 1 sp. C. euspidata Fab. 
Head very large, flat, and triangular, margined in front; ocelli exposed on the 
upper surface of the head; hind tibiz with three rows of spines; thorax simple. 
Burm. Gen. pt. 2. pl. 3. 
PAROPIA Germ. Mecorutuatmus Curt. 2 sp. Ud. scanica Fall. 
Head flat, forming a narrow lunule, edge acutely margined; ocelli facial ; 
thorax posterior, tibiz with a few external spines. Germ. Faun. 11. 11. 
ULOPA Fall. Crrcoris Ahr. 3 sp. Ul. Erice Ahr. Burm, Gen. 3. pl. 1. 
Very gibbose; wing-covers elytriform; ocelliO; head very broad, rounded in 
front, strongly punctate. 
CERCOPIS Fab. Cicapva Linn. 1sp. OC. vulnerata Rossi. Curtis, 461. 
Head small; ocelii apart on the upper side of the head; posterior tibiae bi- 
dentate ; prothorax large, hexagonal. 
APHROPHORA Germ. Terticonra Oliv. 2 sp. C. spumaria L. 
Head moderate; ocelli two, approximate on the crown of the head, posterior 
tibia 2-dentate; prothorax trapezoidal. Pz. 103. 8. 
PTYELA Serv. & St. F. Terriconia p. Oliv. Ssp. C. bifasciata Linn. nee Pz. 
Differs from Aphrophora in the ocelli being as wide apart as they are distant 
from the eyes. Var. C. lateralis Pz. 6. 24. 
ACUCEPHALUS Germar. Arvuroves p. Curt. 11 sp. C. trifasciatus F. 
Vertex trigonate, not keeled; ocelli remote, marginal, not immersed in a fovea ; 
prothorax transverse; hind tibiz# multispinose. Curtis, 620. 
APHRODES Curt. Crcapa p. Don. 22sp. A. costata F. Curtis, 633. 
Suboval; head flat, subtrigonate lunate ; thorax transverse ; ocelli marginal ; hind 
tibia multispinose ; anterior pectinated within. 
PHRYNOMORPHUS Curt. ——— 1 sp. PP. nitidus Curt. 
Oblong shining ; head crescent-shaped above ; ocelli marginal ; thorax transverse ; 
wing-covers indistinctly veined ; hind tibiz thickly spined. 
EVACANTHUS Enc. M. Amptyceruatus Curt. 7 sp. A. interrupta L. 
Ocelli placed on the anterior part of the upper side of the head in a suleus ; hypos- 
toma oblong ; posterior tibia angulated with two rows of spines. Curt. 572. 
