70 ASILIDAE. 



IIoloposTon. 



Loew, Linn. Ent. II, 473; 1847. 



*gnttTila Wiedemann, Dipt. Exot. I, 228, 27 (BciRypogon) ; Auss. Zw. 



I, 411, 74 (/>/.); Walker, List, etc. II, 355 (description given, the 



identification having appeared doubtful). — Atlantic States. 



pliiladelpliiciis Scliiner, Verb. Zool. Bot. Ges. 1867, 360; compare 



also Loew, Berl. Ent. Z. 1874, 367, note. — Pbiladelpbia. 



* phaeonotiis Loew, Berl. Ent. Z. 1874, 366. — Texas. 



*semculus Loew, Centur. VII, 62. — Nebraska. 



Danlopogrou. 



Loew, Berl. Ent. Z. 1874, 377 ; Lasiopogon Loew, Linn. Ent. II, 508; 1847. 



*0|)aciilus Loew, Berl. Ent. Z. 1874, 367. — Illinois. ' 

 *tetragramuius Loew, Berl. Ent. Z. 1874, 368. — Canada. 



*areiiicola 0. Sacken, Western Diptera, 310. - San Francisco, Cal. 

 *bivittatus Loew, Centur. VII, Si (Lasiopoqon ; corapai'e also Loew, 

 Berl. Ent. Z. 1874, 370, note). — California. 



Psilocuriis. 



Loew, Berl. Ent. Z. 1874, 373, note. 

 •luidiusculus Loew, Berl. Ent. Z. 1874, 370. — Texas. 



IStichoitos^on. 



Loew, Linn. Ent. II, 500; 1847. 



*argenteus Say, J. Acad. Phil. Ill, 51, 4; Compl. Wr. II, 65 (Baf^y- 

 pogon); Wiedemann Auss. Zw. I, 409, 69 {id.}. — Atlantic States 

 (not rare on sea-beaches). 

 *trifasciatus Say, J. Acad. Phil. Ill, 51, 3; Compl. Wr. II, 64 (Basii- 

 pogon). — Atlantic States; common. 

 Thereva pJagkda Harris, Cat. Ins. Mass. Walker, List, etc. I, 223 

 (description given). (!) 

 caudidus Macquart, Dipt. Exot. Suppl. I, 67, 48 (Basypogon) ; Bellardi, 

 Saggio, etc. II, 78. — Vera Cruz, Mexico. 

 BasypiOfjon gclascens Walker, Trans. Ent. Soc. N. Ser. V, 277 



[Bellardi]. 

 Baf^ypogon fasciventris Macquart, Dipt. Exot. 4" Suppl. 69, 75; 

 Tab. VI, f. 13. [Bellardi, 1. c. 79, states on Bigot's authority 

 that this is only a variety of S. candidus Macq. The original 

 specimen is in M. Bigot's collection.] 



Holcoccpliala. 



Jaennicke , Neue Exot. Dipt. 51 , 1867 (instead of Bis^coceplialn Mac- 

 quart Dipt. Exot. I, 2, 50, 1838, which is preoccupied. Loew adopts 

 this change in Berl. Ent. Z. 1874, 377). 



*abdomiualis Say, J. Acad. Phil. Ill, 50, 2; Compl. Wr. II, 64, (Basij- 



