44 STKATIOMYIDAE. 



*obscuriTeiitris Loew, Centnr. IV, 45. — Distr. Columbia; Connecticut 

 [Loew, Besclir. Europ. Dipt. Ill, 72, mentions a species from 

 Siberia wliich he thinks may be identical with this]. 



*siiuilis Loew, Centur. IV, 44. — New York. 



Bcris. 



Latreille, Hist. Nat des Crust, et des Ins. XIV, 340; 1804.(*9). 



*viridis Say, Long's Exped. App. 368, 1; Compl. Wr. I, 2.51; Wiede- 

 mann, Auss. Zw. I, 83, 2. — Atlantic States and Brit. Possessions. 

 Ben's quadridentata Walker, List, etc. I, 127. 

 mexicaua Bellardi, Saggio, etc. I, 20, Tab. I, 6. — Mexico. 



Keocxaireta. 



Exaireta Schiner, Verb. Zool. Bot Ges. 1867, 309; Novara etc. p. 71, 

 1868; Diplnjsa Macquart, Dipt. Exot. I, 1, 172 (ex parte). . '^"j. 



rufli)alpis Wiedemann, Auss. Zw. II, 619, 10 (Xylojjhagus) ; Macquart, 

 Dipt, Exot. I, 1, 172 (Diphysa). — Mexico. 



SECTION II. SARGINA. (Loew, Monogr. etc. I, 17). 

 ISargns. 



Fabricius, Ent. Syst. Suppl. 566; 1798. {^^). 



debilis Walker, Dipt. Saund. 83. — United States. 

 *deconis Say, Long's Exp. App. 376; Compl. Wr. I, 257; Wiedemann, 

 Auss. Zw. II, 38, 19. — North America, common. 

 Sarcjus manjinatus v. d. Wulp, Tijdschr. v. Ent. 2d Ser. II, 134 

 [Loew, Zeitschr. fur Ges. Naturw. XXXVI, 119J. 

 *eleg-aiis Loew, Centur. VII, 10. — New York; Kentucky; Florida; 

 Massachusetts. 

 trivittatus Say, J. Acad. Phil. VI, 159; Compl. Wr. II, 355. — Indiana. 

 xautliopus Wiedemann, Auss. Zw. II, 40. — Pennsylvania. 



Alchidas Walker, List, etc. Ill, 517. — Jamaica. 

 aureus Bellardi, Saggio, etc. I, 42, Tab. I 20. — Mexico. 

 Bag^osas Walker, List, etc. Ill, 518. — Jamaica. 

 bicolor Wiedemann, Auss. Zw. II, 41. — Porto Kico. 

 caesius Bellardi, Saggio, etc. I, 40; Tab. I, 18. — Mexico. 

 clavatus Walker, List, etc. V, 93, Bellardi, Saggio, etc. I, 41. (The 



identification of W.'s description is given as doubtful.) — Brazil 



(Walker); Mexico (Bell.). 

 * lateralis Macquart, H. N. Dipt. I, 262; Bigot, in R. de la Sagra etc., 



800. — Cuba. 

 latus Bellardi, Saggio, etc. I, 41; Tab. I, f. 19. — Mexico. 

 linearis Walker, List, etc. V, 328. — Mexico. 

 *lHcens Loew, Centur. VII, 11. — Cuba. 

 nigrifeuioratus Macquart, Dipt. Exot. 2^ Suppl. 31, 10; Bellardi, 



Saggio, etc. I, 42. — Mexico. 



