SCUTATTNA. 



Species 1. — Sehirus bicolor. 



CiMEx BICOLOR, Lin. p. S. 250, 936 (1761) ; S. N. i, 722, 55 (1767) 

 Scop.^ Eut. Carn. 122, 357 (1763); De G. Mem 

 iii, 268, 12 (1773); Fab. E. S. iv, 121, 161 (1794): 

 S. R. 176, 109 (1803); Don. Brit. Ins. ix, 21, pi 

 297 (1800) ; IFolff, Ic. Cim. 63, t. 7, fig. 60 (1801) ; 

 Panz. F. G. 32, 11. 

 — NUBiLOSA, Harris, Exp. Eng. Ins. 90, pi. 26, fig. 8 (1776). 

 Cydnus bicolok. Fall. Mon. Cim. 53, 2 (1807) ; Hem. Suec. 19, 2 

 (1829) ; Hahn, Wcanz. i, 192, t. 31, fig. 99 (1831) ; 

 Zeit. Faun. Ins. Lap. i, 461, 1 (1832) ; Ins. Lap. 

 258, 1 (1840); 5«m.Hanclb. ii, 374, 1 (1835); 

 Kole7i. Mel. Eut. iv, 63, 191 (1846) ; Flor, Rhju. 

 Liv. 1, 157, 3 (1860). 

 Pentatoma bicolou, Le P. et Serv. Enc. x, 58, 25 (1825). 

 Tritomegas — Am. et Serv. Hem. 98, 1 (1843) ; Suhlb. Geoc. 



Fenn. 21, 1 (1848). 

 Sehieus — Fieb. Europ. Hem. 368, 7 (1861). 



Black, shining, finely punctured ; a spot on tlie anterior lateral 

 margin of the pronotum, a larger dentate one on the base, and 

 another similar one at the apex of the anterior margin of tlie 

 corium, white, the upper side of the tihice also white. 



Head subtrapeziform ; Croion convex, with few punctures ; Face, 

 side lobes widely recurved ; anterior margin with a wide but 

 shallow notch. Antenncs black, pilose ; 2nd joint half the length 

 of the 3rd; 3rd, 4th, and 5th in length subequal. Eyes rounded 

 rather prominent. Ocelli small, reddish. Bostrum black, reaching a 

 little beyond the middle coxje ; 2nd and 3rd joints of equal length ; 

 rostral channel shallow. 



Thorax. — Pronotum transverse, anteriorly and posteriorly de- 

 flected ; the sides gradually convergent and rounded to the front ; 

 anterior margin very concave, lateral margins delicately reflexed, 

 posterior margin slightly rounded. Across tiic centre of the disk is 

 a shallow transverse furrow, deeper at the ends, which do not reacli 

 the sides ; before and adjoining this furrow is a transverse unpuuc- 

 tured space, narrow in tlie middle and widened at each end an- 

 teriorly ; from the anterior angles a large white spot extends about 



