sakcorhaga and allies 21 



Notes ox Other Gexera 



Microchcctina Van der Wulp, I5iologia, Dipt., ii, 

 240, 1891, is a Dexiid, as stated by the describer. 

 Braiier and von Bergenstamni placed it with their 

 SarcophagidcV, and their arrangement was followed 

 by the writer in his 1905 Catalogue. Adams, however, 

 in Williston's Manual, 1908, properly replaced the 

 genus in DexiicUe. 



Paramintlio Van der Wul]) (ibid., 20.5) is also a 

 Dexiid, from its very small antenna% and discal nia- 

 crocha?ta3 on segments 2-4 of the abdomen. 



Onesia Desv. This Eiuro])ean genus was reported 

 from Mexico City by Van der Wulp (O. luc'dioidcs, 

 ibid., 288, pi. vii, f. 11). The genus is close to Cyn- 

 omyia, and from its bright metallic green coloration 

 is readily distinguished from the group treated in the 

 present paper. 



Ilespcromjfid 15rauer und von Bergenstamnu 

 Zweifl, Kais. INIus., iv, 114, 1889; v, 3.59, 1891 ; vi, 1(52, 

 1893. One species, eri/fhroccra, from Texas (ibid.). 

 The genus is allied to Senotainia, but has the first 

 posterior cell closed and petiolate; it does not come 

 within the scope of the present paper. The arista is 

 almost bare. 



Erifthrandrd l^rauer und von Bergenstamm, 

 ibid., V, 3(J8, 1891; vi, 10.5, 1893; one species, piclpcs, 

 from Georgirt, U. S. A. The principal characters 

 given are as follows: Parafacials with only very deli- 

 cate hairs; arista pubescent, or at base short-plumose; 

 no costal spine; first ]K)sterior cell open; male witlioul 

 orbitals; third antennal joint 2-2l/^) times the second; 

 ])ucca wide: fVont of male very narrow; vi})riss{u a 

 little ap])r()\imated. From the data given, I am un- 

 a])le to distinguish the sj^ecies, but it would prol)al)ly 

 fall within the genus Sai'co|)haga as here accepted. 



