272 CORTICICOLINA. 



granulated keel; the raised margins more strongly granulated; 

 apex acute. Elytra as long as the abdomen; Clavus yellowish- 

 white ; Corium ; the wide basal portion of the anterior margin ab- 

 ruptly rounded, smooth, yellowish-white, posteriorly brown, the 

 edges with brown granulations ; disk yellowish-white, mottled trans- 

 versely with black ; nerves at the extreme base, and posteriorly black- 

 brown, in the middle yellowish- white ; Membrane yellowish-white 

 mottled with black, posteriorly entirely black, or with whitish reti- 

 culations. Sternum yellow-brown, sides black, base of the coxae 

 white. Legs; thighs brown, the base and a broad ring before the 

 apex, yellowish-white ; tibiae brown, or below the base, and at the 

 apex, broadly yellowish- white ; tarsi brown, or the base yellowish. 



Abdomen above yellowish - white, reddish towards the sides ; 

 Connexivum reddish - brown, the base of each segment whitish. 

 Underside red-brown, darker in the middle ; in the <$ the last 

 segment whitish in the middle. Genital segments in the $ , above, 

 sides nearly straight, black ; posterior margin sinuate, projecting 

 obliquely to the middle, at its greatest length broadly rounded off 

 inwardly, and thus forming at the cleft a notch, narrow, deep and 

 triangular, between two lobes ; each of the lobes with a pale spot in 

 the middle, which also appears on the under side ; beneath, the 

 segment is broadly whitish in the middle. In the ? the segments 

 are black, the 1st of the 2 with a whitish, angulated spot pos- 

 teriorly ; the second formed and marked similar to the <$ . 



Length, 2 2f lines. 



Not rare under loose bark, in moss under old trees, and among 

 debris in old hedges, in summer. 



Species 2. ARADUS CORTICALIS. 



CIMEX COKTICALIS, Lin. F. S. 917 (1761) ; S. N. 482, 17 (1767). 

 ACANTHIA Fab. E. S. iv, 72, 21 (1794) ; Wolff, Ic. Cim. 87, 81, 



t. 9, fig. 81 (1800). 

 ARADTJS lab. S. R. 119, 9 (1803) ; Curt. B. E. v, pi. 230 (1828) ; 



Fall. Hem. Suec. 136, 2 (1829); Zelt. Ins. Lap. 



270, 2 (1840) ; Sahib. Geoc. Fen. 142, 8 (1848) ; 



Flor, Rhyn. Liv. i, 388, 5 (1860) ; Fieb. Europ. 



Hem. 112, 9 (1861). 



COMPLANATUS, Burm. Handb. ii, 256 (1835) ; H. Schf. Wanz. v, 

 95, t. 176. fig. 544 (1839). 



