181 



*leucozonus Loew, Berl. Ent. Z. 1874, p. 364. Sierra Nevada, Cal. 

 ^lou^imainus Loeto, Berl. Eut. Z. 1874. p. 360. San Francisco, Cal. 

 *iiiOu(anus Loew, Berl. Ent. Z. 1874, p. 362. Sierra Nevada, Cal. 



HOLOPOtiON. 



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



*guttula Wiedemann, Dipt. Exot. I, p. 228, 27 {Dasypogon) ; Auss. Zw. I, p. 

 411, 74 {id.) ; Walker. List, etc., II, p. 355 (description given, the identifi- 

 cation having appeared doubtful), VI, p. 424. United States. 

 philadelpllicns Schiner, Verh. Zool. Bot. Qes. XVII, p. 360; compare also 

 Loew, Berl. Ent. Z. 1874, p. 305, note. Philadelphia. 



*phaeoiiotus Loew, Berl. Ent. Z. 1874, p. 366. Texas. 



*8eniculus Loew, Centur. VII, 62. Nebraska. 



DAULOPOGON. 



Loew, Berl. Ent. Z. 1874, p. 377; Lasiopogon Loew, Linn. Entom. I, p. 508, 1847. 



*opaculns Loew, Berl. Ent. Z. 1874, p. 367. Illinois. 

 *tetragramraus Loew, Berl. Ent. Z. 1874, p. 388. Canada. 



*bivittatas Loew, Centur. VII, 57 (compare also Loew, Berl. Ent. Z. 1874, p. 

 370, note). California. 



PSILOCURUS. 



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

 *nudiusculus Loew, Berl. Ent. Z. 1874. p. 370. Texas. 



STICHOPOGON. 



Loew, Linn. Entom. II, p. 500 ; 1847. 



*arg'eiiteus Say, J. Ac. Phil. Ill, p. 51,4 {Dasypiogon) ; Wiedemann, Auss. Zw. 



I, p. 409, 69 (id.) ; Walker, List, etc., II, p. 354, and VI, p. 425. United 



States (not rare on sea-beaches). 



*trifasciatus Say, J. Ac. Phil. Ill, p. 51, 3 {Dasypogon) ; Walker, List, etc., VI, 



p. 424. United States (common). 



fasciventris Macquart, Dipt. Exot. 4e Suppl. p. 69, 75, Tab. VI, fig. 13 



{Dasyjjogon) [Lw.]. Mexico. • 

 Thereva plagiata Harris, Cat. Ins. Mass. Walker, List, etc., I, p. 223 (descrip- 

 tion given) [I saw Mr. Walker's original specimen in the Brit. Mus. 0. S.]. 



