BLEPHAROCERIDAE. 17 



*notata Linn., Meigen etc. - This common europcan species, also 



occurs in N. Am. 

 pulicaria Loew, Linn. Entom. I, 338, Tab. Ill, f. 10. Europe, and also 



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

 *l)jgmaea Loew, Centur. V, 13. -- Distr. Columbia. 



Observation. The following three species of llr. Walker's are mentioned 

 separately, as their very short descriptions do not show any tangible differences 

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



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



Obsrurn Walker, List, etc. 114. Huds. B. Terr. 



pusilla Walker, List, etc. I, 114, lluds. B. Terr. 



Aspistes. 



Meigen, Syst. Beschr. I, 319, 1818; Artliria Kirby, Fauna Bor. Am. 



311; 1837. ( 1U . 

 *analis Kirby, Fauna Bor. Am. Ins. 311, 1; Tab. V, f. 8. (Aiihria). 



Arctic America. 



Aspistfs loreulis Loew, Stett. Eat. Z. 1847, 69. - "Torth of Europe 

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

 Sillim. Journ. 1. c. 317j. 



FAMILY BLEPHAROCERIDAE. (") 



Blepharoccra. 



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

 Asthenia Westwood 1842; preocc. 



*capitata Loew, Centur. IV, 43. - - Distr. Columbia; White Mts., N. H. 



Asyndulmn ti')niij>i'fi Walker, List etc. I, 86. Huds. Bay Territ. (!) 



*yoseiuiie 0. Sacken, Western Diptera, 195. Yosemite Valley, Calif. 



Bibiocephala. 



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

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



Breslau 1877, p. 95. 



*grandis 0. Sacken, Hayden's Report 1873, 564; translated by Loew, 

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



Observation. For Asthenia americana W T alker, List etc. I, 28, 

 see the note ( 18 ). 



Paltostoma. 



Schiaer, Verh. Zool. Bot. Ges. 18G6, 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. ( 19 ). 

 5 



