ZELlMA 



303 



florum ROND. (nee FABR.), Dipterol. Ital. Prodr., II. 82. 4. [Xy- 



lota] (1857). 



ignava FALL, (nee PANZ.), Dipt. Suec., Syrphici, 11. 6. [Milesia] 

 (1816). 



nemorum MEIG. (nee FABR.) = florum FABR. 



nigra WALK. = pigra FABR. 



nigripes ZETT., Insecta Lapponica, Dipt., 585. 4. [Xylota] (1838), Europa sept. 

 Dipt. Scand., II. 880. 14. [Xylota] (1843) et VIII. 3193. 14. [Xy 

 lota] (1849). 



flonim ZETT. (nee FABR.), Dipt. Scand., II. 879. 13. [Xylota] 

 (1843) et XI. 4309. 13. [Xylota] (1852); BONSD., Finlands 

 tvaving. Ins., I. 293. 11. [Xylota] (1861); MALM, Goteb. 

 Kongl. Vet. Handl., 1863. 75. [Xylota] (1863). 



nigroaenescens ROND, Annal. Mus. Civ. Gen ova, VII. 422. [Xylota] Borneo. 

 (1875); v. D. WULP, Catal. Dipt. South Asia, 108. [Xylota] (1896). 



nitida PORTSCH., Horae Soc. Entom. Ross., XV. 157. 1. [Xylota] Rossia. 

 (1879). 



notha WILLIST., Bullet. Unit. Stat. Nat, Mus., No. 31., 228. [Xylota] America sept. 

 (1886); ALDR, Catal. North Amer. Dipt., 399. [Xylota] (1905). 



obscura Lw, Berlin. Entom. Zeitschr., IX. 162. 55. [Xylota] (1865); Americasept. 

 WILLIST., Proc. Amer. Philos. Soc., XX. 326. [Xylota] (1882) et 

 Bullet. Unit, Stat. Nat. Mus., No. 31., 233. [Xylota] (1886); HUN 

 TER, Canad. Entomol., XXVIII. 101. (1896) ; ALDR., Catal. North 

 Amer. Dipt., 399. [Xyloia] (1905); JONES, Journ. New York En 

 tom. Soc., XV. 79. 6. [Xylota] (1907). 



pachymera Lw., Berlin. Entom. Zeitschr., IX. 162. 54. [Xylota] Cuba, 



(1865); RODER, Stettin. Entom. Zeitg, XLVI. 342. [Xylota] (1885); Portorico. 

 WILLIST., Bullet. Unit. Stat. Nat. Mus., No. 31., 237. [Xylota] 

 (1886) ; ALDR., Catal. North Amer. Dipt., 399. [Xylota] (1905). 



pauxilla WILLIST., Biolog. Central. Amer., Dipt., III. 71. 2. tab. II. Mexico, 

 fig-. 9, 9 a b. [Xylota] (1892) ; ALDR., Catal. North Amer. Dipt., 

 309. [Xylota] (1905). 



pictipes Lw., Beschreib. europ. Dipt., II. 237. 129. [Xylota] (1871) ; Rossia sept. 

 BECK., Acta Soc. Sci. Fennic., XXVI. No. 9., 45. 69. [Xylota] 

 (1900). 



pigra FABR., Entomol. System., IV. 295. 63. [Syrplius] (1794) et Systema Europa, 



Antliat, 192. 16. [Milesia] (1805) ; FALL , Dipt. Suec., Syrphici, America s. 



11. 7. var. ft. [Milesia] (1816) ; MEIG., System. Brschreib, III. 



221. 14. [Xylota] (1822); MACQ., Recueil Soc. Sci. Agricult. Lille, 



1828. 277. 3. [Xylota] (1829) et Suit, a Buff on, I. 522. 7. [Xylota] 



(1834); ZETT., Dipt. Scand, II. 878. 12. [Xylota] (184; 1 .) et VIII. 



B192. 12. [Xylota] (1849); SCHIN., Verh. zool.-bot. Ver. Wien, 



VII. 420. 5. [Xylota] (18.~&amp;gt;7) ; BONSD., Finlands tvaving. Ins., I. 



293. 10. [Xylota] (1861) ; SCHIN., Fauna Austriaca, Dipt, I. 355. 



4. [Xylota] (1862); MALM, Goteb. Kongl. Vet. Handl, 1863. 75. 



[Xylota] (1863) ; PERRIS, Annal. Soc. Entom. France, ser. 4. X. 



326. 20. tab. IV. fig. 112124. [Xylota] (1870); WILLIST, Proc, 



