146 



TOXOMKKUS 



ochrogastcr THOMS., Eugenics Resa, Dipt., 494. 82. [Syrplms] 



(1869). 



pallipes BIG., Annal. Soc. Entom. France, ser. 6. IV. 106. 3. 

 [? Mesograpta] (1884); WILLIST., Biolog. Central. Amor., Dipt,, 

 III. 27. 9. [Mesogramma] (1891). 



tridentatus ROND., Annuar. Soc. Nat. Modena, III. 24. [Syrphus] 

 (1868) ; WILLIST., Trans. Amer. Entom. Soe. Philad., XIII. 

 312. [Syrphus] (1886) ; GiGL.-Tos, Mem. R, Accad. Sci. Nat. 

 Torino, ser. 2. XLIII. 366. 107. tab. II. fig. 17. [Mesogramma] 

 (1893) ; ALDR., Catal. North Amer. Dipt., 373. [Mesogramma] 

 (1905). 



ectypus SAY, Journ. A cad. Nat. Sci. Philad., VI. 165. 3. [Syrplms] Mexico. 

 (1829) et Compl. Writ, II. 359. 3. [Syrplms] (18 r ;9); Lw., Berlin. 

 Entom. Zeitschr., IX. 157. nota. [Mesogramma] (1865); WILLIST., 

 Biolog. Central. Amer., Dipt., III. 28. [Mesogramma] (1891); ALDR,, 

 Catal. North Amer. Dipt,, 371. [Mesogramma] (1905). 



geminatus SAY, Journ. A cad. Nat, Sci. Philad., III. 92. 7. [Scaeva] America. 

 (1823) et Compl. Writ., II. 80. 7. [Scaeva] (1859) ; WIED., Ausser- 

 europ. zweifl. Ins., II. 145. 50. [Syrplms] (1830) ; WALK., List 

 Dipt. Brit. Mus., III. 587. [Syrplms, Scaeva] (1849); Lw., Berlin. 

 Entom. Zeitschr., IX. 157. nota. [Mesogramma] (1865) ; SCHIN., 

 Novara Reiso, Dipt., 347. nota. [Mesogramma] (1868) ; OST.-SACK., 

 Bullet, Unit. Stat. Geolog. Snrv., III. 330. [Mesograpta] (1877) ; 

 WILLIST., Proc. Amer. Philos. Soc., XX. 310. (1882) et Bullet. 

 Unit, Stat. Nat, Mus., No. 31., 102. tab. IV. fig. 5, 5 a. [Meso 

 grapta] (1886) ; CHAGNON, Natural. Canad., 1901. (sep.) 39. 2. 

 [Mesogramma] (1901) ; OSBURN, Canad. Entomol., XXXVI. 220. 41. 

 [Mesogramma] (1904) ; ALDR., Catal. North Amer. Dipt., 371. 

 [Mesogramma] (1905) ; JONES, Journ. New York Entom. Soc., 

 XV. 94: 1. [Mesogramma] (1907). 



interrogans WALK., Insecta Saunders., Dipt., I. 238. [Syrplms] 



(1852). 



notatus MACQ., Dipt, exot., suppl. 5., 93. 1. tab. V. fig. 4. (1855). 

 privernus WALK., Insecta Saunders., Dipt., I. 225. [Eumerus] 



(1852). 



Gurges WALK. = Boscii MACQ. 

 hecticus JAENN. = polifcus SAY. 



Pheraldicus BIG., Annal. Soc. Entom. France, ser. 6. IV. 109. 6. Mexico. 

 [? Mesograpta] (1884); ALDR., Catal. North Amer. Dipt., 371. 

 /? Mesogramma] (1905). 



hieroglyphicus SCHIN., Novara Reise, Dipt., 348. 24. [Mesogramma] America mer. 

 (1868); WILLIST., Trans. Amer, Entom. Soc. Philad., XIII. 313. 

 [Mesograpta] (1886). 



insignis SCHIN., Novara Reise, Dipt., 347. 22. tab. IV. fig. 7. [Mcso- Americamer. 

 gramma] (1868) ; WILLIST., Trans. Amer. Entom. Soc. Philad., 

 XIII. 313 [Mesograpta] (1886). 

 interrogans WALK. geminatus SAY. 



