British Hemiptera-Heteroj)tera. 615 



3. inconspicua, Dongl. & Scott. (Genus Pseudophleps.) 



Smaller than either of the preceding. $ black, shining. 

 Thorax with the sides not margined, and with a strongly 

 marked transverse impression across the middle ; membrane 

 slightly dusky and iridescent; 2nd joint of the antennre 

 considerably longer than the 3rd and subequal to the 4th. 



2 Avith the elytra abbreviated as in tenella, but at once 

 distinguished by the round, shining thorax, without re- 

 flexed margins or transverse depression. 



Length J line. 



$ , AVey mouth; $ and ?, Lowestoft, on the sandhills, at 

 the roots of grass, &c. 



This may, I fancy, prove to be eventually the Signoreti, 

 Fieb. 



ANTHOCORIDiK. 



A. Thorax constricted in front into a short waist. 



B. Waist exceedingly short, sides strongly reflcxcd near 



the front angles •• .. .. .. .. Tetrai)ldepit. 



BB. Waist not very short, sides scarcely reflcxed in front. 



C. Membrane with four veins .. .. .. .. Acomiiocorxa. 



CC. Membrane with three veins. 



a. Eostram long, reaching beyond the anterior 



coxre . . . . . . . . . . . . Temnostetlms. 



b. Eostrum short, not reaching beyond the anterior 



coxa) .. .. .. .. •• Anthocoris. 



AA. Thorax not constricted into a waist in front. 



B. Wings without a hook-like nerve to the cell. 



C. Species robust, pubescent. 



a. Head short, scarcely longer than its width be- 



tween the eyes . . . . . . • . . . Bvachy steles. 



b. Head much longer than its width between the 



eyes .. .. .. .. .. .. Cardlastethns. 



CC. Species elongate, glabrous . . . . . . . . Xylocorls. 



BB. Wings with a hook-like nerve to the cell. 

 C. Thorax truncate in front. 



a. Front femora thickened . . . . . . . . Piezostetlms. 



b. Front femora not thickened . . . . . . Tr'qMejJs. 



CC. Thorax emarginate in front . . . . . . . . Lyctocoris. 



Tetraphleps. 

 1. vittata, Fieb. Fig. Dougl. & Scott, Brit. Hem. 

 pi. xvi. fig. 4. 

 Head and thorax black, the latter with the sides 

 rounded in front and reflexed ; surface transversely rugose 

 and punctured, Avith a someAvhat raised smoother portion 

 in front of the middle; base largely and deeply sinuate; 



