580 NAUCORINA. 



all grooved beneaili ; 1st pair short, excessively broad, ovate ; 2u(l 

 and 3rd pairs compressed ; tibiw ; 1st pair falcate, gradually nar- 

 rowed to the apex, folded under the thigh when at rest, like the 

 closed blade of a knife ; 2nd and 3rd pairs somewhat thickened to 

 the apex, the 3rd pair more distinctly angulated, but with long, 

 stout spines, and long cilia on the inner side ; tarsi ; 1st pair very 

 short, joined, but not articulated to the tibise, monomerous and 

 without claws ; 2nd and 3rd pairs long, 2 -jointed, articulated, 

 ciliated on the inner side, the last joint with 2 long claws. 



Abdomen broad, oval, flattened on th& sides ; beneath with a broad, 

 sloping middle keel ; the 6th segment on each side, on the posterior 

 margin, with a deep, subquadrate excision ; stigmata small ; Connexi- 

 vum narrow, serrate ; Genital segments short, covered with long hair. 



Species 1. — Naucoris cimicoides. 



Nepa CmicoiDEs, Lin. F. S. 245, 907 (1761) ; S. N. 2, 714, G (1767) ; 

 Schrk. Enum. 262, 606 (1781). 

 — NAUCOKis, Be G. Mem. iii, 375, 3, pi. 19, figs. 8, 9 (1773). 



Naucoeis cimicoides, Geoffr. lus. 1, 474, 1, t. 9, fig. 5 (1764) ; Fab 

 E. S. 66, 1 (1794) ; ScJiell. Gescbl. 30, t. 12 

 figs. 1, 2 (1800); Fab. S. R. 110, 1 (1803) 

 Fall. Hem. Succ. 176, 1 (1829); L. Duf. Rech 

 79, 2 (1S33) ; H. Sclif. Nom. Eiit. i, 63 (1835) 

 Burm. Handb. ii, 193, 1 (1835) ; Spiti. Ess. 53 

 1 (1840) ; Am. et Serv. Hem. 433, 1 (1843) 

 Kolen, Mel. Ent. vi, 64, 270 (1857) ; Flor, Ehyu 

 Liv. i, 753, 1 (1860); Fieb. Europ. Hem. 102 

 1 (1861); P^«.'. E. G. 95, 16. 



Yellowish or fuscous green, smooth, slightly shining ; head and 

 pronotum mostly dull yellowish, the head generally with 2 long 

 spots in the middle and the base black ; the pronotum on the 

 sides clear, the base and middle with a wide clear light baud, 

 the disk otherwise obscured with dark confluent spots and 

 small scattered punctures. 



Sead. — Crown in the middle with 2 longitudinal approximate spots 

 and the posterior margin black, AntenncB virescent. Et/es black. 



Thorax. — Pronotum ; sides diaphanous, clear or with a few black 

 punctures; close within the base a broad, clear, transverse band, 

 joined to it in the middle a narrow longitudinal one, the disk on 



