CORIXID.i:. 



49 



Family CORIXID.^. 



Cbrisides, Atny. Sf Serv, Hem. p. 444 (1843). 



Corisee, Fieb. Eur. Hem. p. ±2 (1861). 



Corixina, CorIxid=e, and Sigaridae, Dour/J. S^- Scott, Brit. Hem. 



pp. 49 & 50 (1805). 

 Sigarida, Stdl, Hem. Afr. iii, p. 193 (1865). 



Body depressed ; head broad, as broad or broader than the 

 thorax ; ocelli none ; rostrum short, concealed ; antennae short, 

 inserted under the margins of the head ; thorax transverse ; 

 heDielytra complete ; legs natatorial, the posterior setose ; anterior 

 tarsi one-jointed. 



SijnOjpsis of Genera. 



A. AntemiEe four-jointed; scutelluni covered. . . . CoRiXA, p. 49. 



B. Antennae three-jointed ; scutellum not covered Micronecta, p. 50. 



Genus CORIXA. 



Corixa, Geoffr. Hist, abrey. Ins. p. 477 (1762) ; Burm. Handb. Ent. 



p. 186 (1'835). 

 Corisa, Amy. ^- Serv. Hem. p. 445 (1843). 

 Sigara, Fahr. Syst. Ent. p. 691 (1775), part. 



Type, C geoffroyi, Leacli, a Palasarctic species. 



Distribution. Almost universally distributed. 



The salient characters, as given in the generic synopsis (siqrra), 

 will suffice here for purposes of identiiication. The genus is 

 probably of world-wide distribution. 



1531. Corixa hieroglypMca, Duf.Hem. p. 86, ff. 85-87 (1833); Fieb. 

 Eur. Hem. p. 93 (1801) ; Scnoul. Hem. Het. Brit. Islds. p. 334 

 (1892) ; Kirk. Entomoloyist, 1898, p. 3. 



Frontal impression of the male very deep, extending between 

 the eyes in a well-defined arch ; greenish 

 or yellowish-grey ; pronotum with seven 

 or eight transverse black lines, which 

 are finely rastrate ; clavus rastrate, 

 thickly mottled with short irregular 

 black lines, the base pale ; corium not 

 rastrate, punctured, with short trans- 

 verse fragmentary dark markings ar- 

 ranged in three or four series ; legs 

 entirely pale ; palae of S straight on the 

 anterior edge, regularly curved on the 

 posterior. 



Length 5| to Qh millim. 



Hah. Assam ; Khasi Hills {fide Kirhaldy). North Bengal {Brit. 

 2Bis.). Bombay {Brit. Mus.). Yarkand (Stoliczka). — A common 

 Palsearctic species, and also found in North America. 



VOL. III. E 



Corixa Ideroylyphica. 



