318 S. AV. WILLISTON. 



foveifrons Thomson, Eugenics Resa, 491. — Buenos Aires. ^Compare Megaspis.] 



furcatus Wiedemann, Zool. Mag. iii, 51; Auss. Zweifl. Ins. ii, 176. 34; Schiner, 

 Novara Exped. 362 ; v. d. Wulp, Tijdschr. v. Ent. xxv, 131. — Brazil, Arge«- 

 tina, Columbia, Yucatan. 

 Eristalis femoratus Macquart, Dipt. Exot. ii, 2, 40, 15, \i\. ix, fig. 6 : ihid. ler 

 Suppl. 130, 51. [Schiner.] 



genioulatus Fabricius, Syst. Antl. 237, 23; Wiedemann, Auss. Zw. Ins. ii, 170,25. 



Meigenii Wiedemann, Au.ss. Zweifl. Ins. ii, 177, 35, pi. xb, fig. 15. — Montevideo. 



melanaspis Wiedemann, Auss. Zweifl. Ins. ii, 176, 33. — Brazil. 



montanus Roeder (not Williston), Stett. Ent. Zeit. 1886, 263.— Columbia. 



nigripennis Mac(iuart, Dipt. Exot. 5e Suppl. 58, 71. — Columbia. 



nigroscutellatus Macquart, Dipt. Exot. 3e Suppl. 41, 58. — Brazil. 



obsoletus Wiedemann, Auss. Zweifl. Ins. ii, 175, 32 ; Schiner, Novara Exped. 361. 

 — Brazil. 



pachypus Wiedemann, Auss. Zw. Ins. ii, 171, 26. — S. America. 



Eristalis crassipes Fabricius, Syst. Antl. 196, 3. [Name preoccupied by Fabri- 

 cius.] 



Philippi Schiner, Novara Exped. 363. — Chili. 



pygolampus Wiedemann, Auss. Zw. Ins. ii, 161, 12; Macquart, Dipt. Exot. ii, 2, 

 37, 11, pi. ix, fig. 5. — Brazil. 



quitensis Macquart, Dipt. Exot. 5e Suppl. 89, 73. — Quito. 



rufipes Macquart, Dii)t. Exot. ii, 2, 42, 18. — Brazil. 



taenia Wiedemann, Auss. Zw. Ins. ii, 174, 31 ; Schiner, Novara Exped. 361. — 

 Montevideo. [The author says this is perhaps only a variety of the " preced- 

 ing" species {Helophilus chrysostomus), but there seems to be some confusion 

 in the reference.] 



Thoracic dorsum fasciate. 

 agnata Rondaui, Annali di Bologna, 1850. 



? Eristalis Uinhafineuris Macquart, Dii)t. Exot. 4e Suppl. 137, 60. — Brazil. 

 [Rondani.] 

 agrorum Fabricius, Ent. Syst. iv, 285, 27 {Syr2)hus) ; Syst. Antl. 235, 12 ; Wiede- 

 mann, Auss. Zw. Ins. ii, 172, 28. — Argentina, Gaudeloupe [v. d. Wulp.] 

 albiventris Bigot, Ann. Soc. Ent. Fr. 1880. 228.— Montevideo, 

 conicus Fabricius, Syst. Antl. 190, 12 {Milesia); Wiedemann, Auss. Zw. Ins. ii, 



650, 4. — S. America, 

 cosmius Schiner, Novara Exped. 362. — S. America, 

 fasciatus Wiedemann, Zool. Mag. iii, 51 ; Auss. Zw. Ins. ii, 173, 29; Macquart, 



Dipt. Exot. ii, 2, 57. 42 ; Rondani, Esam. d. var. sp. etc. 68.- S. America, 

 nigripes Wiedemann, Auss. Zw. Ins. ii 165, 17. — Brazil, 

 podagra Macquart, Dipt. Exot. ii, 2, 38, 12. — Brazil, 

 rufiventris Macquart, Dipt. Exot. ler Suppl. 129, 51.— Columbia, 

 scatellaris Fabricius, Syst. Antl. 190, 11 (Milesiai; Wiedemann, Auss. Zw. Ins. 

 ii, 159, 12; Macquart, Dipt. Exot. ii, 2, 41, 17; Schiner, Novara Exped. 364. — 

 Brazil, Cayenne. 

 Palpada scutellata Macquart, Hist. Nat. Dipt, i, 513 ; Dipt. Exot. ii, 2, 38, 13 



(Eristalis) ; Bigot, Ann. Soc. Ent. Fr. 1883, 222 {Priomerus). [Schiner.] 

 Priomerus bimaculatus Macquart; Bigot, Ann. Soc. Ent. Fr. 1883, 222. 

 ? Eristalis fascithorax Macquart, Dipt. Exot. 4e Suppl. 139, 63. — America. 

 [Schiner.] 



