20 LYCEINA. 



Family 1.— PYRRHOCORIDtE. 



Oval. Head from above 5-sided, from the side thick, convex. 

 nostrum reaching to the end of the metasternum ; first joint as long 

 as the head. Pronotum trapeziform. Fore thighs thick, with small 

 spines. 



Abdomen. — Genital segments in both sexes short ; on the upper side, in 

 the $, only tlie margin of the horizontal portion of the third segment is 

 visible ; in the $ the second and third are visible. On the underside, in 

 the ^, a large portion of the second, and the whole of the third are 

 visible, both very convex, the posterior margin of the third suddenly and 

 broadly horizontal : in the $ nearly all the space beyond the sixth ab- 

 dominal segment is occupied by the first genital segment, which appears 

 as two broad plates closely joined, in the centre of the space, in a deep, 

 wide furrow, the sides being convex ; the posterior margin widely notched ; 

 here the third segment appears in the centre, narrow and concave, with a 

 central ridge, the space at each side being tilled by the small, curved plate 

 of the second segment. Gen. 1, Pp-rhocoris. 



Section h.—LYGJEINA. 



Lygoeodes, Burm. 

 Lygoeiclaej Westw. 

 Lygoeodse, Flor, Fieb. 

 Iiifericornes, p., Am. et Serv. 

 Infericornia, p., Dall. 



Structure more or less stout, of a hard consistence. Antenncs 

 4-jointed, inserted under (sometimes oti) a line drawn from the eye 

 to the base of the labrum. Ocelli 2. Membrane of the elytra with 

 four or five simple nerves. Tarsi trimerous (except in Zosmoridcs). 



Abdomen. — The genital segments differ in the Families. 



Family 1.— RHYPAROCHROMID^. 



Head convex, triangular in front. Antennce : first and fourth joints 

 generally the thickest, the first shortest, the second usually the 



