HEMIPTERA. 419 



tion of the elytra mottled with brown; membrane semitrans- 

 parent, brownish, with a few brown points ; wings black. Mar- 

 gins of the abdomen very prominent, somewhat fulvous, marked 

 with brown, with a strong spine at the posterior angle of each 

 segment. Abdomen beneath irregularly banded with dark brown, 

 and with two ( ? ) or four ( $ ) white tubercles on the disc, on the 

 third ( ? ), or third and fourth ( $ ) segments. Thighs concolor- 

 ous with the body; the posterior pair much thickened in the 

 male, with three rows of spines above and two rows beneath ; an- 

 terior and intermediate tibiae testaceous, with the apex black ; 

 posterior tibiae testaceous punctured with black, and with the 

 base and apex black ; the inner margin with a strong acute tooth 

 about the middle, and the rest of the margin between this and 

 the apex denticulated ; tarsi fulvous. Antennas brown, hirsute, 

 with the bases of the second and third joints testaceous. 

 a. Venezuela. From Mr. Dyson's Collection. 



Genus 19. MEROCORIS. 



Coreus, p., Fab. Syst. Eh. (1803). 



Merocoris, Perty, Del. An. Art. 170 (1830); Am. & Serv. Hem. 



243 (1843). 



Crinocerus, p., Burm. Handb. ii. (1835); H. Sch. Wanz. ix. (1850). 

 Corynomerus, Spin. Hem. 126 (183?) $ Tav. Sin. Hem. 40 (1850). 

 Hebecerus, Kol. Mel. Ent. ii. 65 (1845) ; H. Sch. Wanz. ix. 243 



& 272 (1851). 



1. MEROCORIS typhaeus. 



Lygaeus typhaeus, Fab. E. S. Supp. 537. 12 (1798). 



Coreus acridioides, Fab. S. R. 200. 39 (1803); Wolff, Ic. dm. 



192. t. 19. fig. 186(1811). 



Crinocerus acridioides, Burm. Handb. ii. 319. 6 (1835). 

 Merocoris rugosus, Am. fy Serv. Hem. 244. 2 (1843). 

 a. . 



2. MEROCORIS distinctus, n. s. 



M. praecedenti affinis; differt praecipue capite magis quadrato, 

 antice utrinque subspinoso ; antennis magis distantibus, arti- 

 culis 1 et 2 nigris, tertio ferrugineo, punctis nigris, quarto 

 nigro ; tibiis posticis minus incurvatis. ? . 

 Long. lin. 3J. 



Crinocerus acridioides, H. Sch. Wanz. vi. 20. t. 186. fig. 575 

 (1842). 



a. St. Louis. Presented by the Entomological Club. 



u2 



