OF PHILADELPHIA. 249 



ARADUS Fabr. 



A. QUADUTLIN'EATUS. — Browii ; atiteiuige robust; clypeus bifid; 

 thorax (juadrilineate, edges irregularly and minutely deutate. 



Inhabits Missouri. 



Body dull light-brown, opaque : head with two longitudinal 

 indented lines, and two small indented black, spots between the 

 eyes : clypeus trifid at tip, intermediate division longest, obtuse 

 at tip, exterior divisions acute at tip, hardly attaining the base 

 of the second joint of the antennae : eyes very prominent : an- 

 tennsB robust, two terminal joints darker, ultimate one shorter 

 and less dilated than the preceding one : thorax transversely ob- 

 long-oval ; four elevated, parallel, equidistant, longitudinal lines, 

 and a lateral, abbreviated one ; lateral edge slightly reflexed and 

 dentate, with numerous minute, irregular teeth : scutel large, im- 

 pressed each side of the middle, and near the tip : hemelytra 

 minutely dentate on the exterior basal edge : feet dusky, pale 

 near the incisures. 



Length rather more than a (juarter of an inch. [327] 



REDUVIUS Fabr. 



1. R. R.\PTATORius. — Obscure brownish; head, thorax, and 

 anterior feet, spinous, the latter raptatory. 



Inhabits the United States. 



Body oblong, obscure brownish : head contracted above the 

 eyes, spinous ; six larger spines before the contraction, placed 

 two and two, and two or four larger ones behind the contraction : 

 steuunata sanguineous : eyes inserted in the lateral middle of the 

 head : antenna inserted near the tip of the clypeus, with dilated 

 annuli of dull rufous and pale : rostellum slightly arquated, pale : 

 thorax contracted in the middle, obsoletely canaliculate, with 

 short, numerous, obtuse spines before the contraction, and dense 

 granuli behind it; posterior angles hardly prominent : feet some- 

 what pale, subannulate, granulated ; anterior pair raptatory ; 

 thighs unequal, anterior pair robust, villous, dusky, armed with 

 an erect, prominent, obtuse spine near the tip above, and a double 

 series of ten equal, equidistant, acute spines beneath ; anterior 

 tibiae with a double series of six similar spines on the inner side : 

 tergum rufous on the disk, margin varied with black and pale : 

 1825.] 



