238 LYG^INA. 



Ocelli small, distant ; inserted close to the anterior margin of the 

 pronotum. Rostrum reaching to the 1st pair of coxae, lying in a 

 channel ; 1st and 2nd joints in length subequal, 3rd -J- the length of 

 the 2nd ; 4th 3 times longer than the 3rd. 



Thorax Pronotum deflected ; broad, subquadrate or trapezoidal, 

 convex, in front raised and compressed round the base of the head, 

 the part so raised posteriorly distinctly denned by a transverse 

 depression, with 2 or 3 longitudinal keels on the top, and at 

 its sides a slight callosity ; sides gradually, from the hinder to the 

 anterior angles depressed, flattened, foliaceous, and finely reticulated ; 

 anterior angles rounded ; hinder angles callous ; posterior margin 

 slightly rounded. Scutellum small, triangular. Elytra as long as 

 the abdomen ; Clavus and Corium closely punctured, subreticulate ; 

 Clavus broad, trapezoidal, deflected to the corium ; Corium ; apex 

 prolonged round the anterior margin of the membrane ; nerves strong, 

 2 in the middle arising together at the base and then diverging ; 

 Membrane with 4 nerves, the 1st curved the others straight ; base 

 with a broad, well denned, coriaceous, reticulated portion. Sternum : 

 Mesosternum with a rostral channel ; Metasternum with a grooved 

 plate between the 2nd and 3rd pairs of coxae. Legs rather short, 

 finely granulated ; tarsi stout, 3-jointed ; 1st joint very small, 

 hidden ; 3rd longest, clavate (the smallness of the 1st joint makes 

 the tarsi appear only 2-jointed) ; claws short, curved. 



Species 1. ZOSMERUS QUADRATUS. 



ZOSMENUS QUADRATUS, Fieb. Ent, Mon. 31, 1, t. 2, figs. 7, 9, 11 (1844) ; 

 Europ. Hem. 116, 1 (1861). 



Pale gray, with dark gray or blackish spots, but sometimes pale 

 greenish- white, pale gray or pale red, and spotless. Pronotum 

 subquadrangular, sides straight ; anterior part of the disk with 

 3 keels. 



Head : Crown usually with a black spot on each side of the base ; 

 Face, central lobe long, the margins with a black line ; side lobes 

 with the ends obtusely pointed, generally black, curved, and meeting 

 at a short distance before the end of the central lobe. Antennce 

 brownish-yellow ; 1st joint subconic, or pyriform ; 4th brown on the 

 apical ^. Eyes red or brown. 



