ACANTHJAD^ — REDUVIAD/E. 279 



DESCRIPTION. 



Body dull black, very flat. Head with the nose prominent and obtuse, and the front armed 

 with a sharp tooth on each side; antenna? black with the second joint rufous all but the tip; the 

 last joint white at the tip : prothorax with a short anterior truncated lobe, widest in the middle where 

 the sides form a rounded angle ; emarginate posteriorly ; edge very minutely serrulate ; six longitu- 

 dinal ridges occupy the disk of the thorax, the two external ones are abbreviated and rather obtuse ; 

 scutellum with a reflexed margin, and bearing on its disk a large subhemispherical tubercle : hem- 

 elytra reticulated with cinereous, especially the membrane : abdomen with a broad margin, and the 

 last segment bilobed with incurved lobes. 



This species appears to be related to A. depressus and elevatus Fabr. and to A. quadrilineatus 

 of Say. 4 



(390) 2. * Aradus affinis. Kindred Aradus. 



A. ( affinis J niger, prothorace non lobato ; postice dilatato angulis obtusis ; disco sexcarinato ; scutelh vi.v tuberculato. 

 Kindred Aradus, black with the prothorax not lobed ; dilated posteriorly with obtuse angles ; disk six-ribbed ; scutellum 

 scarcely tuberculated. 



Length of the body 2^ lines. 



Several taken with the preceding. 



DESCRIPTION. 



Extremely similar to A. tuberculifer, but much smaller. Antenna; entirely black : prothorax not 

 extended anteriorly, so as to form a lobe ; lateral abbreviated ridge more obtuse, resembling a tuber- 

 cle : margin of the abdomen with a white point at the apex of each segment ; anus not lobed. 



Family REDUVIAD^. Reduviadans. 



CLXIX. * Genus REDUVIOLUS. Kirb. 



Body linear-oblong. 



Promuscis slender, inflexed, not reaching beyond the base of the anterior legs. 



Antenna inserted below the eyes, subsetaceous, five-jointed ? penultimate joint the longest. 



Stemmata small, sessile. 



Eyes hemispherical. 



Prothorax bilobed. 



N. B. In Reduvius the promuscis is thick ; the antenna? are inserted between the eves ; the 

 eyes are kidney-shaped ; the stemmata are large and set in a tubercle ; and the body is oblong. 



i Journ. Acad. Nt. Sc. Philad. IV, iv, 326, 



