I'SALLID/E. 



Genus 4. STHKNARUS, Fieb. 

 Short, somewhat broad, oval. 



Head almost vertical in front, 2-J times as broad across the eyes 

 as long, and with a transverse keel behind the latter ; Crown very 

 slightly convex, deflected to the base of the clypeus, which is almost 

 in a line with the anterior margin of the eyes ; Clypeus convex ; 

 apex a little produced, almost in a line with the middle of the eyes ; 

 antenniferous processes short, in a line with the middle of the lower 

 half of the eyes ; Face ; central lobe convex, somewhat long ; side 

 lobes short, broad, rounded outwardly. Antennae short ; 1st joint 

 stout, shorter than the head ; 2nd, 3^ times as long as the 1st ; in 

 the $ stouter than in the ? , and gradually thickened to the apex ; 

 ? somewhat clavate ; 3rd and 4th filiform, together f ths the length 

 of the 2nd, 4th, f rds the longth of the 3rd. Eyes large ; viewed 

 from above somewhat hemispherical, from the side, long oval. 

 Rostrum reaching to the 3rd pair of coxae ; 1st joint stout. 



Thorax. Pronotum short, trapezoidal, twice as broad across the 

 posterior margin as long, and with 2 callosities in front ; anterior 

 margin straight, angles rounded; sides straight; hinder angles 

 short, rounded ; posterior margin almost straight, rounded towards 

 and at the hinder angles ; disk convex, deflected to the head. Scu- 

 tellum triangular, level with the clavus, with a transverse channel 

 near the base. Elytra longer than the abdomen ; Clavus flattish 

 convex, deflected to the corium; Corium flattish convex, hori- 

 zontal as far as the cuneus and membrane, which are deflected ; base 

 somewhat flat ; Cuneus triangular, broad at the base. Sternum : 

 Prosternum ; xyphus short, triangular, convex, margined in front ; 

 Mesosternum convex, elevated posteriorly, and with a central 

 channel; posterior margin somewhat convex; Metasternum; centre 

 obtuse, prominent, slightly convex, raised into a callosity in the 

 middle. Legs : thighs ; 3rd pair very stout ; tarsi stout, 3rd joint 

 longest. 



