70 A^LIDAE. 



Holopogon. 



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



*guttnla Wiedemann, Dipt. Exot. I, 228, 27 (Dasypogon); Auss. Z\v. 

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

 identification having appeared doubtful). - - Atlantic States. 

 pluladelpMcns Schiner, Verh. Zool. Bot. Ges. 1867, 360; compare 

 also Loew, Berl. Ent. Z. 1874, 367, note. - - Philadelphia. 



* phaeonotus Loew, Berl. Ent. Z. 1874, 366. -- Texas. 



*seniculus Loew, Centur. VII, 62. -- Nebraska. 



Danlopogon. 



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



*opacnlns Loew, Berl. Ent. Z. 1874, 367. - - Illinois. 

 *tetragraininus Loew, Berl. Ent. Z. 1874, 068. -- Canada. 



*arenicola 0. Sacken, Western Diptara, 310. -- San Francisco, Cal. 

 *biyittatns Loew, Centur. VII, 57 (Lasiopogon; compare also Loew, 

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



Psilocnrus. 



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

 *nudiuscnlus Loew, Berl. Ent. Z. 1874, 370. -- Texas. 



Stichopogron. 



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



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

 poyon); 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 (Dasy- 



pogori). - - Atlantic States; common. 

 Th&reva plagiata Harris, Cat. Ins. Mass. Walker, List, etc. I, 223 



(description given). (!) 

 {ami i<l us Macquart, Dipt. Exot. Suppl. I, 67, 48 (Dasypogon) ; Bellardi, 



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

 Dasypogon gelascens Walker, Trans. Ent. Soc. N. Ser. V, 277 



[Bellardi]. 



Dasypogon fasciventris Macquart, Dipt. Exot. 4 e Suppl. 69, 75; 

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

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

 specimen is in M. Bigot's collection.] 



Holcocephala. 



Jaennicke , Neue Exot. Dipt. 51 , 1867 (instead of DiscocepJiala Mac- 

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

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



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



