BLEPHAEOCERIDAE. 17 



*iiotata Linn., Meigen etc. — This common european species, also 



occurs in N. Am. 

 pulicaria Loew, Linn. Entom. T, 33S, Tab. Ill, f. 10. — Europe, and also 



in "Wisconsin, according to v. d. Wulp, Tijdschr. etc, 2d Ser. IV, 80. 

 *py§:iuaea Loew, Centur. V, 13. — Distr. Columbia. 



Observation. The following three species of Mr. Walter's are mentioned 

 Sfparately, as their very short doscriptions do not show any tangible differences 

 and the identification would be, I should say, impossible. 



nitens Walker, List, etc. I, 114. — Huds. B. Terr. 



obscura Walker, List, etc. 114. — Huds. B. Terr. 



pusilla Walker, List, etc. I, 114, — Huds. B. Terr. 



Aspistcs. 



Meigen, Syst. Bescbr. I, 319, 1818; AHliria Kirby, Fauna Bor. Am. 

 311; 1837. (1^. 

 *aualis Kirby, Fauna Bor. Am. Ins. 311, 1; Tab. V, f. 8. (Aiihriu). — 

 Arctic America. 

 Aspi^tefi homdis Loew, Stett. Eut. Z. 1847, 69. — ITorth of Europe 

 and North-America (About the occurrence in N. A. see Loew in 

 Sillim. Joui-n. 1. c. 317). 



FAMILY BLEPH.AROCERIDAE. (")• 

 Blcpharoccra. 



Blepharicera Macquart, Ann. Soc. Ent. de Fr. II, 1, 61; 1843; 

 Asthenia Westwood 1842; preocc. 



*Gai)itata Loew, Centur. IV, 43. — Distr. Columbia; White Mts., N. H. 



Astjmluliimtenuipes Walker, List etc. I, 86. — Huds. Bay Territ. (!) 



* yosemite 0. Sacken, Western Diptera, 195. — Yosemite Valley, Calif. 



Itiliioccpliala. 



0. Sacken, in Hayden's Report on Geol. Survey Color. Territ. 1873; 



translated by Loew in Zeitschr. fiir Entomol. Neue Folge, Heft 6, 



Breslau 1877, p. 95. 



*gran(lis 0. Sacken, Hayden's Report 1873, 564; translated by Loew, 

 1. c. 98. — Rocky Mountains, Colorado. 



Observation. For Asthenia americana Walker, List etc. I, 28, 

 see the note^''). 



Paltostoma. 



Schiner, Verb. Zool. Bot. Ges. 1866, p. 931 ; Novara etc. p. 27. 



superbiens Schiner, Novara etc. p. 28, Tab. II, f. 4, — South-America. 

 (I quote this species, because I have seen specimens from Mexico, 

 in Mr. Bellardi's collection, which may perhaps belong to it. (^'■>). 

 5 



