STRATIOMYIDAE. ACANTHOMERIDAE. 51 



carnens Walker, List, etc. Ill, 521. - - Huds. B. Terr. 

 *cana<lensis Loew, Centur. IK, 12. Fort Resolution, Huds. B. Terr. 



* carbonarius Loew, Centur. VIII, 6. - - Massachusetts. 

 *crassus Loew, Centur. Ill, 10. Rhode Island. 

 *glaber Loew, Centur. X, 10. -- Texas. 



pallipes Say, J. Acad Phil. Ill, 29; Compl. Wr. II, 52; Wiedemann, 



Auss. Zw. II, 45, 2. - Pennsylvania. 

 *unicolor Loew, Centur. Ill, 11. - - Illinois. 



* acntirostris Loew, Centur. Ill, 13. - - Cuha. 



polyposus Say, J. Acad. Phil. VI. 160; Compl. Wr. II, 356. Mexico. 



Observation. N. nif/rimis Fall, from Europe, according to 

 v. d. Wulp, 1. c. 126 also occurs in the United States. 



SECTION V. PACHYGASTRINA. 

 Pachygraster. 



Meigen, Illiger's Magaz. II, 266; 1803. ( 68 ). 

 *pulcher Loew, Ceutur. Ill, 16. Distr. Columbia. 



Channa. 



Loew, Stett. Ent. Zw. VIII, 370; 1847. 

 Gerstaecker, Linn. Ent. XI, 338. 



*variabilis Loew, Stett. Ent. Zw. VIII, 370, Tab. I, f. 1115. - - Cuba. 

 Chauna ferruginea Gerstaecker, Linn. Ent. XI, 340; Tab. Ill, 

 f. 7. f Synonymy according to Loew, Berl. Eut. Z. Vol. II, 349; 

 who acknowledges that Gerstaecker's error was due to the im- 

 perfect description and figure of the antennae of Ch. variabilis.J 



FAMILY ACANTHOMERIDAE. 



Acaiithomera. 



Wiedemann, Dipt. Exot. 60; 1821. 



Bellardii Bigot; Bellardi, Saggio, etc. App. 16, f. 11. -- Mexico. 

 Bigotii Bellardi, Saggio, etc. App. 16, f. 10. - - Mexico. 

 crassipalpis Macquart, Dipt. Exot. 2 e Suppl. 27, 5; Tab. 1, f. 3 



(female). Guatemala. 

 picta Wiedemann, Dipt. Exot, 61, Tab. II, f. 2; Auss. Zw. I, 108. 



Macquart, Dipt. Exot. I, 167 ; Guerin, Iconogr., Tab. XCVIII, f. 3. 



Bellardi, Saggio, etc. I, 76. - - Brazil, Mexico. 

 seticornis Wiedemann, Auss. Zw. I, 108, 1; Macquart Dipt. Exot. I, 



1, 168, 3; Tab. XX, f. 1 and Suppl. 2, 27. -- Brazil (Wied.); 



Guatemala (Macquart). Macquart suspects that this is the male 



of his A. crassipalpis. 

 tabauina Thunberg, Act. Soc. Gothob. 1819, 111, 7-, Tab. VII, f. 2 



(Pantoplithalmus) ; Wiedemann, Auss. Zw. I, 110, 4. West Indies. 



