April, 1871] 241 
Section.—CERCOPINA. 
Family APHROPHORIDA. 
Aphrophorida, Stal, Hem. Afr., iv, 66 (1866). 
Head: crown almost horizontal and somewhat flattened; anterior 
margin sometimes rounded, generally obtusely angulated ; clypeus 
of variable length, reaching to or beyond the Ist pair of coxa. 
Rostrum 2- or 8-jointed. Ocelli 2, or sometimes wanting ; when 
present, placed near the posterior margin of the crown, and more 
or less remote from the eyes. 
Thorax: pronotum trapezoidal or hexagonal, anterior margin rounded 
or obtusely angulated, posterior margin frequently deeply angulate- 
emarginate; scwtellum triangular. Elytra coriaceous; clypeus 
acuminate. Wings: the inferior nerve furcate from the base or 
before the middle. Legs: posterior tibie armed with one or two 
spines. 
I.— Ocelli almost equidistant from each other and the eyes. 
A.—Clypeus reaching to the apex of the 1st pair of coxe. 
Genus 1.—PTYELUS. 
5»  2.—LEPYRONIA. 
II.—Ocelli half again as far from the eyes as from each other. 
B. --Clypeus extending beyond the 1st pair of coxe. 
Genus 38.—APHROPHORA. 
Genus 1.—PTYELUS, Lep. et Serv. 
Head short, including the eyes about as wide as the pronotum: crown 
depressed, with a distinct plate in front as wide as the ocelli, 
and haying a somewhat curved, transverse channel at its base, 
anterior margin more or less obtusely rounded. ace convex, 
somewhat sulcate transversely. Clypeus reaching to the Ist 
pair of coxe. Rostrum with two joints of equal length, reach- 
ing to the 2nd pair of cox. Antenne placed in a deep recess 
immediately underneath the crown and adjoining each eye, the 
somewhat conical basal joint of the bristle visible from above. 
Ocelli, between themselves and the eyes, equidistant. 
Thorax: pronotum hexagonal, anterior margin obtusely angulate, lateral 
margins very short, posterior margin deeply angulate-emarginate. 
Scutellum flattish, longer than broad. iytra longer than the 
abdomen, narrowed posteriorly, apex rounded. Legs: posterior 
tibie with two large spines exteriorly, apex with a ‘vandyked’ 
fringe; ¢arsi, 3rd pair, lst and 2nd joints with a vandyked fringe 
at the apex. 
