CORTTCICOLINA. 25 



SECTION l.HEBRINA. 



Hebridae, Fieb. 

 Hebroidea, Flor. 

 Hebrides, Am. et Serv. 

 Hydrodromici, p., Burm, 



Consistence hard; compressed. Antenna 6-jointed. Ocelli 2. 

 Hostrum 4-jointed. Elytra : Clavus membranous ; Membrane with- 

 out perceptible nerves. Tarsi trimerous. ' . 



FAMILY 1. HEBRID^E. 



Long-oval, small, stout. Head long ; Crown long, clypeate ; Face 

 short, broad. Antenna: first and second joints stout; third and 

 fifth very minute, like a petiole of the preceding joints. Ocelli 

 small, in a line with the middle of the eyes. Rostrum 4-jointed, 

 long ; first and second joints very short ; rostral channel with deep, 

 raised sides. Pronotum hexagonal, sides before the middle very 

 deeply constricted ; disk with a central longitudinal channel and a 

 fovea on each side of it anteriorly ; posteriorly convex. Elytra : 

 Corium alone coriaceous : Clavus posteriorly not perceptibly sepa- 

 rated from the membrane. Sternum with a wide vertical channel. 

 Legs stout, long ; posterior thighs curved ; each pair of coxae very 

 wide apart ; tarsi, first joint very short ; second short, stout, the 

 end oblique, clasping the third so that the two joints look like one ; 

 the third long, stout ; claws very short and thin. Gen. 1, Helrus. 



SECTION Z.CORTICICOHNA. 



Corticicolee, Am. et Serv. 

 Membranacei, p., Lat., Burm. 

 Aradidae, Fieb. 

 Aradoidea, Flor. 



Head horizontal, in front developed into a long process. Antenna 

 4-jointed, inserted on the inner side of large antenniferous processes. 



