of Hemiptera Heteroptera from Japan. 427 



broadly brown or brownish testaceous, more sparingly punc- 

 tured than the disk. Scutellum black or pitchy black, punc- 

 tured, with a transverse and apical longitudinal keel, forming 

 a T-shaped character ; apex narrowly brown. Elytra pale 

 testaceous : clavus and corium } margins and nerves on both 

 sides punctured, in the latter the space between the inner 

 margin and the nerve pale, almost transparent. Membrane 

 pale yellowish white, nerves slightly darker. Legs pitchy 

 brown : thighs at the apex pale brown : tibiae pale brown : 

 tarsi brownish yellow : claws black. 



Abdomen above almost flat, last segment purplish. Con- 

 nexivum pale brownish testaceous, almost vertical. 



Female similar to the male in all respects, except in the 

 length of the spines and the side lobes of the face. 



Length If -2 lines. 



Genus Chauliops *. 



Head short, wider across the eyes than the front of the 

 pronotum : crown and face almost perpendicular, central lobe 

 of the latter slightly widest at the apex ; side lobes shorter 

 than the central lobe ; underneath each eye a stout spine. 

 Antennce, first joint stout, almost its entire length extending 

 beyond the face ; second and third thin, second stouter than 

 the third and a little longer than the first ; third two thirds 

 the length of the second ; fourth fusiform, about as long as the 

 first. Eyes large, semiglobose, placed on a longish, thick 

 peduncle. Ocelli minute, almost concealed beneath the ante- 

 rior margin of the pronotum. Rostrum stout, reaching to the 

 third pair of coxa?. 



Thorax. — Pronotum large, trapezoidal, nearly twice as broad 

 on the posterior margin as on the anterior ; lateral margins 

 slightly waved; hinder angles rounded and raised into a 

 callus ; posterior margin nearly straight across the scutellum, 

 from thence to the hinder angles rounded ; disk longitudinally 

 and transversely convex, considerably deflected from in front 

 of the calli to the anterior margin. Scutellum large, triangular, 

 equilateral, with a central longitudinal channel ; apex slightly 

 raised. Elytra : clavus narrow, apparently without a middle 

 nerve: corium, anterior margin constricted in the middle; 

 posterior margin somewhat S-shaped. Membrane with five 

 nerves; first and third exterior nerves almost joined at the 

 base ; second joined to the third a little below the base ; fourth 

 with a semicircular bend at the base, then concave interiorly 

 next the apex ; fifth slightly waved. Sternum deep, with a 



* xavXtoi, projecting: b\fr, eye. 



