207 



143. 37. [Xijlota] (1897) ; ALDR., Catal. North Amer. Dipt., 398. 



[Xylota] (1905); JONES, Journ. Now York Entom. Soc., XV. 98. 



1. [Xylota] (1907). 

 angustiventris Lw., Berlin. Entom. Zoitsclir., IX. 164. 58. [Xylota] America sept. 



(1865); WILLIST., Bullet. Unit. Stat. Nat. Mas., No. 31., 231. tab. 



.XL fig. 0. [Xylota] (1886) ct Entomol. News Philad., III. 146. 



[Xylota] (1892); HUNTER, Canad. Entomol., XXVIII. 101. [Xylota] 



(1896); CDAGNON, Natural. Canad., 1901. (sep.) 64. 4. [Xylota] 



(1901); ALDR., Catal. North Amor. Dipt., 398. [Xylota] (1905) ; 



JONES, Journ. New York Entom. Sue., XV. 98. 2. [Xylota] (1907). 

 elongata WILLIST., Bullet. Unit. Stat. Nat. Mas., No. 31., 234. 



[Xylota] (1886). 



annulifera BIG. = ejuncida SAY. 

 Anthreas WALK., List Dipt. Brit. Mus., III. 556. [Xylota] (1849); America sept. 



WILLIST., Bullet. Unit. Stat. Nat. Mus., No. 31., 235. [Xylota] 



(1886) ; ALDR., Catal. North Amer. Dipt., 398. [Xylota] (1905). 

 arcuata ALDR. = arquata SAY. 

 arquata SAY, Journ. Aead. Nat. Sci. Philad., VI. 162. [Xylota] (1829) Mexico. 



et Compl. Writ., II. 357. [Xylota] (1859). 



arcuata ALDR., Catal. North Amer. Dipt., 398. [Xylota] (1905). 

 aurifacies BIG. in lilt ? SCHIN., Novara Keise, Dipt., 360. [Xylota] Chile. 



(1868) ; WILLIST., Trans. Amer. Entom. Soc. Philad., XIII. 321. 



[Xylota] (1886). 

 barbata Lw., Berlin. Entom. Zeitschr., VIII. 70. 40. [Xylota] (1864); America sept. 



WILLIST., Bullet, Unit. Stat. Nat. Mus., No. 31., 233. [Xylota] 



(1886); HUNTER, Canatl. Entomol., XXIX. 142. 36. [Xylota] (1897); 



COQUILL., Proc. Washington Acacl. Sci., II. 437. [Xylota] (1900) ; 



OSBURN, Canad. Entomol., XXXVI. 262. 76. [Xylota] (1904); 



COQUILL. in HARBIMAN : Alaska Exped., IX. Pt. II., 51. [Xylota] 



(1904); ALDH., Catal. North Amer. Dipt., 398. [Xylota] (1905). 

 Baton WALK. = ejuncida SAY. 

 bicolor Lw., Berlin. Entom. Zeitschr., VIII. 70. 39. [Xylota] (1864); America sept. 



WILLIST., Bullet. Unit. Stat. Nat. Mus., No. 31., 229. [Xylota] 



(1886); ALDR., Catal. North Amer. Dipt,, 398. [Xylota] (1905). 

 bifasciata MBIG. = nemorum FABR. 

 bivittata BIG., Annal. Soc. Entom. France, ser. 6. III. 1883. 547. 9. Chile. 



[Xylota] (1884) ; WILLIST., Trans. Amer. Entom. Soc. Philad., 



XIII. 321. [Xylota] (1886). 

 brachygaster WILLIST., Biolog 1 . Central. Amer., Dipt., III. 72. 4. Mexico. 



[Xylota] (1832) ; ALDR., Catal. North Amer. Dipt., 398. [Xylota] 



(1905). 



brassicaria DONOV. = segnis L. 

 caeruleiventris ZETT., Insecta Lappon., Dipt., 585. 5. [Xylota] (183. S), Europacentr. 



Dipt. Scand., II. 873. 7. [Xylota] (1843) et VIII. 3192. 7. [Xylota] ct sept. 



(1849) ; BONSD., Finlands tvaving. Ins., I. 291. 6. [Xylota] (1861) : 



MALM, Goteb. Kongl. Vet. Handl., 1863. 74. [Xylota] (1863). 



L., Dipt. Suec., Syrphici, 11. 6. var. p. [Milesia] (1816). 



