136 STRPHIDAE. 



Tropidia. 



Meigen, Sybtem. Beschr. Ill, 346; 1822. 



albistyhim Macquart, Dipt. Exot. 2^ Suppl. 60, I; Tab. II, f. 10. — 

 North America. 



*inaiiiillata Loew, Centur. I, 68. — Illinois. 



*(iuadiata Say, Amer. Ent. I; Tab. VIII; Compl. Wr. I, 14 (Xi/loU') ; 

 Wiedemann, Auss. Zw. II, 101. 6 (id.); Macquart, Dipt. Exot. II, 

 272. — United States (Massachusetts, White ^Nlts., N. H.; New 

 York); California [0. Sack en, Western Dipt., 338). 



Crlorrlilna. 



Criorhina IIofFmannsegge (in Uti.), was introduced as a subgenus 



of Milesia in Meigen, System. Beschr. Ill, 236; 1822, appears as 



such in St. Fargeau et Serville, Encycl. Meth. X, 518, 1825; 



adopted as a genus in Macquart, Hist. Nat. Dipt. I, 497; 1834. 



♦analis Macquart, Dipt. Exot. II, 2, 79; Tab. XV, f. 2 (Milesia). — 



North America (Macq ). 

 *aniullata 0. Sacken, Bull. Buff. Soc. N. H. Ill, 68 (reproduced in 

 the note (2*«). 



Crloprora. 

 nov. gen. (-*i). 

 *cyanog'aster Loew, Centur. X, 51; (BrachypaTpufi). — Pennsylvania. 

 *aIopex 0. Sacken, Western Dipt., 338 (Pocota)- — California. 

 *cjauella 0. Sacken, Western Dipt., 339 (Focota.) — California. 



IBraeliypalpus. 



Macquart, Hist. Nat. Dipt. I, 523; 1834. 



Amitliaon Walker, List, etc. Ill, 567 (Milenia). — North Carolina. ['^"). 

 *Iroutosus Loew, Centur. X, 50. — Distr. Columl)ia, Texas, Massachusetts. 



^) Xyhta Oariiii Walker, List etc. Ill, 558. — Trenton Falls. 

 *Yerbosiis (Harris) Walker, List, etc. Ill, 568. — Connecticut, Canada, 

 Virginia. 

 Musca tomentosa Swederus, Vetensk. Ak. Nya Ilandl. ; 1787. 



Xylota. 



Meigen, Sytem. Beschr. HI, 211; 1822. (2<3). 



Aepalins Walker, List, etc. Ill, 557. — Georgia. (^■'^). 

 Anthreas Walker, List, etc. Ill, 556. — Trenton Falls, New York. 

 *angustiventris Loew, Centur. VI, 58. — Illinois; Western New York. 

 Baton Walker, List, etc. Ill, 564 („perhaps synon. with ejimcida" 

 Wk.). — Florida; Nova Scotia. 

 *bai*bata Loew, Centur. V, 40. — Sitka. 

 *bicolor Loew, Centur. V, 39. — Illinois (Lw.^; Englewood, N. J. 



(0. S.). 

 *clialybea Wiedemann, Auss. Zw. II, 98. — No locality (Wied.) 

 Northern and Middle States (^Illinois; Pennsylvania^ 



