HEMIPTERA. 487 



1 . Posterior tibiae simple. 



a. Antennas slender, smooth . . 17- CLAVIGRALLA. 

 /3. Antennas stout, rough and 



hairy 20. DASYCORIS. 



2. Posterior tibiae dilated 18. ACANTHOCORTS. 



b. Membrane with reticulated ner- 



vures 19. CHCEROMMATUS. 



Genus 1. CHOROSOMA. 



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



Rhopalus, p., Schill.Beitr.i. (1829); H. Sch. Nom.Ent. i.(1835); 



Kol. Mel. Ent. ii. (1845). 

 Corizus, p., Fall Hem. Suec. (1829); Zett. Ins. Lapp. (1840); 



H. Sch, Wanz. ix. (1851). 

 Chorosoma, Curt. B. E. vii. 297 (1830) ; Am. fy Serv. Hem. 231 



(1843); Spin. Tav. Sin. Hem. 42 (1850); H. Sch. Wanz. ix. 



245 (1851). 

 Myrmus, Hahn, Wanz. i. 81 (1831) ; Burm. Handb. ii. 312 (1835). 



1. CHOROSOMA miriformis. 



Coreus miriformis, Fall. Mon. dm. 60. 8 (1807). 



Lygaeus micropterus, Burrell, Ent. Trans, i. 73. pi. 3 (1807). 



Rhopalus miriformis, Schill.Beitr. i. 54. 6 (1829); H. Sch. ConL 



Panz. F. G. 121. 11 & 12, # Nom. Ent. i. 43 & 75 (1835). 

 Corizus miriformis, Fall. Hem. Suec. 44. 4. (1829); Zett. F. Ins. 



Lapp. i. 467. 3 (1832) $ Ins. Lapp. 261. 3 (1840). 

 Chorosoma microptera, Curt. B. E. vii. 297. 2 (1830). 

 Myrmus miriformis, Hahn, Wanz. i. 82. 1. 13. fig. 46 & 47 (1831); 



Burm. Handb. ii. 312. 1 (1835). 

 Myrmus, Amyot, Ann. Soc. Ent. Fr. 2 me ser. iii. 485. 102. 



a. S. of France. Presented by Francis "Walker, Esq. 



b. Europe. From Mr. Children's Collection. 



c. Polish Ukraine. Presented by Dr. Dowler. 



2. CHOROSOMA Schillingii. 



Rhopalus Schillingii (Schumm.), Schill. Beitr. 55. 7 (1829); 



H. Sch. Nom. Ent. i. 42 & /5 (1835) $ Wanz. iv. 74. t. 13L 



fig. 402 (1839). 



Chorosoma Arundinis, Curt. B. E. vii. pi. 297 (1830). 

 Myrmus Schillingii, Burm. Handb. ii. 312. 2 (1835). 

 Chorosoma Schillingii, Am. fy Serv. Hem. 231. 1 (1843). 

 Rhopalus Arundinis, Kolen, Mel. Ent. ii. 57. 17 (1845). 

 Chorosoma, Amyot, Ann. Soc. Ent. Fr. 2 me ser. iii. 484. 101. 

 a. France. Presented by Francis Walker, Esq. 



