HEMIPTERA. 533 



a. Body elongate 12. MICROPUS. 



b. Body ovate. 



* Corium thick, opaque, 



with its posterior margin 



straight; basal joint of 



the antenna nearly as 



long as the head 7. APHANUS, 



t Corium semitransparent, 



with its posterior margin 



indented; basal joint of 



the antennae very small. .13. BLISS us. 



Genus 1. LYG^JUS. 



Cimex, p., Linn. F. S. (1761) fy S. N. i. (1767); Scop. Ent. 



Cam. (1763) ; DeG. Mem. iii. (1773) ; Rossi, F. E. ii. (1790) ; 



Schr. F. B. ii. (1801). 

 Lyga3us, p., Fab. Ent. Syst. iv. (1794) fy Syst. Eh. (1803); Lat. 



Gen. Crust, et Ins. iii. (1807); Lamk. Hist. Nat. iii. (1816); 



Schill. Beitr. i. (1829); Fall. Hem. Suec. (1829); Lap. Hem. 



(1832); H. Sch. Nom. Ent. i. (1835) fy Wanz. ix. (1850); 



Burm. Handb. ii. (1835); Kolen. Mel. Ent. ii. (1845); Ramb. 



F. And. ii. (1841). 

 Coreus, p., Fall. Mon. Cim. (1807). 

 Lygseus, Spin. Hem. (1837) fy Tav. Sin. Hem. 38 (1850) ; Am. 



$ Serv. Hem. 249 (1843), 



1. LYG^EUS contaminatus. 



L. luteus, capite nigro variegato ; punctis 2 nigris in singulo 

 elytro ; membrana alba ; antennis nigris, articulo ultimo fulvo ', 

 pedibus fulvescentibus. $ ? . 

 Long. lin. 8. 



Lygasus contaminatus, Germ. ? * 



Head orange, with a black spot on each side of the vertex and 

 another at the apex. Thorax yellow, with two oblique, slightly 

 curved lines near the anterior margin. Scutellum orange, with 

 the base raised and a central ridge on the apical portion. Cori* 

 aceous portion of the elytra yellowish testaceous, with a small 

 black spot on the middle of the disc and another at the apex of 

 the clavus ; membrane white, with a brown spot in the centre of 

 the base. Abdomen beneath fulvous. Breast yellow, with two 

 black points and a black line on each side ; mesosternum and 



* This insect was received from M. Drege of Hamburg under the 

 above name ; but as it is not described in Professor Germar's Paper in 

 the Revue Entomologique, the name is probably manuscript. 



