26 CORTICICOLINA. 



Ocelli 0. Rostrum short, 3-jomted. Tarsi 2-jointe(l, the 2ad joint 

 longest. 



Abdomen. — The Genital segments differ in the families as stated. 



Family 1.— ANEURIDiE. 



Very flat and thin, smooth. Head wide, contracted behind to a 

 short neck ; antenniferous processes broad, the end straight. An- 

 tenncB : fourth joint longest. Pronotum sub-hexagonal, twice as broad 

 as long. Scutellum broad, rounded behind, almost semicircular. 

 Elytra : Corium very short, merging into tbe membrane, which is 

 very broad, with 1 basal cell and 1 nerve. 



Abdomen. — Conneximim very broad, horizontal, the margin rounded ; Genital 

 segments rounded behind, not foliaceous. Gen. 1, Aneurus. 



Family 2.— ARADID^. 



Flat, granulated all over. Head with a short neck ; antennife- 

 rous processes long, acutely pointed. Antennce mostly thick, the 

 length of the joints varying, the 3rd longest, the 4th conical at the 

 end. JEyes large, prominent. Rostrum longer than the head, in a 

 narrovp channel. Pronotiivi transverse, 6-sided, side margins foli- 

 aceous, posterior margin produced over the base of the elytra; 

 disk with 4 keels. Scutellum long, triangular, concave. Elytra : 

 Clavus very narrow ; Corium abbreviated internally, the anterior 

 margin wide and projecting at the base ; nerves strong, forming 2 

 cells ; Membrane with 4 nerves, forming three cells. 



Abdomen beneath, with a fine linear, longitudinal channel ; Connexivum 

 broad, horizontal, foliaceous, the margin dentate ; the last Genital segment 

 posteriorly, with a broad, bi-lobed, foliaceous margin. Gen. 1, Aradus. 



