HEMIPTERA. 47 



2. TRIGONOSOMA Nigellae. 



Cimex Nigellse, Fab. E. S. iv. 82. 8 (1/94); Panz. Faun. Germ. 



66. 19; Wolff, Ic. dm. 92. t. 9. fig. 86 (1802). 

 Tetyra Nigellse, Fab. S. R. 140. 55 (1803); H. Sch. Norn. Ent. 



i. 53 & 89 (1835). 



Ventocoris Nigelke, Hahn, Wanz. ii. 36. t. 43. fig. 133 (1834). 

 Trigonosoma Nigellae, Lap. Hem. 69 (1832); Eurm. Handb. ii. 



389.3(1835); Germ. Zeits. i. 56. 2 (1839); Ramb. Faun. 



And. ii. 96. 1 (1841); Am. Sf Serv. Hem. 48. 1 (1843); Kolen. 



Mel. Ent. iv. 15. 134 (1846). 

 Trigonosoma, Amyot, Ann. Soc. Ent. Fr. 2 me ser. iii. 406. 7 



(1845). 



a. South of France. 



3. TRIGONOSOMA? Galii. 



Cimex Galii, Wolff, Ic. dm. 97. t. 10. fig. 91 (1802). 

 Tetyra Galii, H. Sch. Norn. Ent. i. 53 & 89 (1835). 

 Trigonosoma Galii, H. Sclidff. Wanz. iv. 26. t. 119. fig. 376 



(1839); Germ. Zeits. i. 58. 8 (1839). 



Camaromus, Amyot, Ann. Soc. Ent.Fr. 2 me ser. iii. 408. 11 (1845). 

 a. South of France. Presented by the Entomological Club. 



Genus 5. EURYGASTER. 



Cimex, p., Linn. S. N. i.; Rossi, Faun. Etr. ii. (1790); Fab. 



E. S. iv. (1794). 



Thyreocoris, p., Schr. Faun. Boic. ii. (1801). 

 Tetyra, p., Fab. S. R. (1803); Fall. Mon. dm. (1807) & Hem. 



Suec. (1829); Eurm. Handb. ii. (1835); H. Sch. Norn. Ent. 



i. (1835); Germ. Zeits. i. (1839); Ramb. Faun. And. ii. 



(1841). 

 Eurygaster, Lap. Hem. 69 (1832); Spin. Hem. 365 (1837); 



Am. $ Serv. Hem. 53 (1843) ; Kolen. Mel. Ent. iv. 9 (1846) ; 



Sahib. Geoc. Fenn. 14 (1848). 

 Scutellera, p., L. Duf. Rech. (1833). 

 Bellocoris, p., Hahn, Wanz. ii. (1834). 

 Odontotarsus, p., Spin. Hem. (1837). 



* Central lobe of the head reaching the anterior margin. 



1. EURYGASTER alternatus. 



Tetyra alternata, Say, Am. Ent. t. 43. fig. 3(1828); Germ. 

 Zeits. i.74.5(1839). 



a. N. America. Presented by E. Doubleday, Esq. 



b. Lake Erie. Presented by E. Doubleday, Esq. 



c. . Presented by the Entomological Club. 



