CORIXIDJE. 



Family CORIXID^E. (Vol. Ill, p. 49.) 



Genus MACROCORISA. 



Macrocorisa, Thorns. Opusc. ent. i, p. 28 (1869) : Put. Synopa. i, 

 p. 220 (1879) ; Wallengr. Ent. Tidskr. 1894. pp. 133 & 134 ; Oshan. 

 Verz. Pal. Hem. Het. iii, p. 978 (1909). 



Macrocorixa, Buck. White, Ent. Month. Mag. x, p. 62 (1873). 



Corixa, Kirk. Tr. Am. Ent. Soc. xxxii, p. 152 (1906) ; id. Entomo- 

 logist, xxxix, p. 79 (1906). 



Type, M. yeoffroyi, Leach. 



Distribution. Palaearctic and Oriental Eegions. 



This genus is to be separated from Corixa (vol. iii, p. 49) by 

 the following characters, as pointed out by Buchanan White 

 (supra) : 



Pronotum and elytra not rastrate. Asymmetry 



to left side in male MACROCORISA. 



Pronotum and elytra more or less rastrate. 



Asymmetry to right side in male CORIXA. 



3114. Macrocorisa geoffroyi, Leach (Corixa), Trans. Linn. Soc. xii, 

 p. 17 (1818) ; Herr.-Sch. Warn. Ins. ix, p. 62, f. 914 (1853) ; 

 Thorns. (Macrocorisa), Opusc. Ent. i, p. 28 (1869) ; Buch. White 

 (Macrocorixa), Ent. Month. May. x, p. 76 (1873) ; Saund. 

 (Corixa), Hem. Het. Brit. Islds. p. 333 (1892) ; Oshan. Verz. 

 Pal. Hem.-Het. iii, p. 978 (1909). 



Corisa striata, Fall. Hem. Suec., dm. p. 181 (1826-29) ; Kirk. 

 (Corixa) Trans. Am. Ent. Soc. xxxii, p. 153 (1906). 



Corisa punctata, Burm. Handb. ii, p. 186 (1835). 



" Greenish black, entirely smooth and shining; pronotuin with 

 sixteen to twenty irregular pale transverse lines ; elytra, including 



Fig. 200. Macrocorisa geoffroyi. 



the clavus and membrane, closely mottled with short vermiculate 

 pale markings, irregularly punctured ; legs testaceous, front tibiae 



