HEM1PTERA HETEROPTERA. 



198 



the first. Prothorax with rounded and not prominent angles. Fore lobe 

 much shorter and more convex than the hind lobe, with distinct oblique 

 furrows. Scutellum ending in a red, stout, obtuse, obliquely ascending spine. 

 Sutures of the ventral segments black. Four anterior femora red, stout, 

 black at the base and at the tips. Furrow beneath the four anterior tibiae 

 less than half as long as the latter. Length of the body 7 lines. 



a. Natal. From M. Gueinzius' collection. 



43. Reduvius pusillus. 



Mas. Niger, fere linearis ; caput prothoracis loho antico longius ; 

 antenncB capite el prothorace ad unum longiores, articulo \o robuslo ; 

 femora anlica crassu. 



Male. Black, minutely punctured, nearly linear. Head fusiform, 

 rather longer than the fore lobe of the prothorax; ante-ocular part much 

 longer than the post-ocular. Antennae much longer than the head and the 

 prothorax together; first joint stout, as long as the ante-ocular head; 

 second nearly twice as long as the first ; third much longer than the second ; 

 fourth longer than the third. Prothorax with rounded and not prominent 

 angles. Fore lobe full as long as the hiud lobe, with slight furrows. 

 Scutellum ending in a short horizontal spine. Fore femora incrassated. 

 Furrow beneath the fore tibiaa about one-third as long as the latter. Length 

 of the body 3 lines. 



a. Region of the river Niger. Presented by W. W. Saunders, Esq. 

 South Asia. 



A. Fore lobe of the prothorax as long as the hind lobe. 



f Fore femora not thick. ... - divisicollis. 



tf Fore femora thick. .... - perpusillus. 



B. Fore lobe hardly shorter than the hind lobe. 



a. Body red. ------ pyrrhophorus. 



b. Body black. 



* Hind femora piceous. - . Sineusis. 

 ** Hind femora ferruginous. - rivulosus. 



C. Fore lobe a little shorter than the hind lobe. 



a. Scutellum ascending. 



* Head with no spine between the antennae. - - biligatus. 

 ** Head with a spine between the eyes. 



f Furrows of the fore lobe well defined. - - argillaceus. 



f f Furrows of the fore lobe slight. ... conspersus. 



b. Scutellum horizontal. - singularis. 



D. Fore lobe rather shorter than the hind lobe. 



a. Hind lobe of the prothorax black. - - - rivulosus. 



b. Hiud lobe of the prothorax red. - - - tenebrosus. 



B. biannulipes is said to inhabit the West Indies as well as various 

 Eastern Isles. 



2 o 



