256 CATALOGUE OF NORTH AMERICAN DIPTERA. 



helvolus LOEW, Berl. Ent. Zeitsch., 1874, 355.— Texas. Nebr.— J. M. A. 

 lugubris WiLLiSTON, Biologia, Dipt., i, 304. — Guerrero, Mex. 

 ochraceus Van der Wulp, Tijdschr. v. Ent., xiii, 212, pi. ix, f. 9 (Stenopogon) ; 

 XXV, 96, notes ; refers to this genus. — N. A. 



OsTEN Sacken, Cat., note loi, gen. ref. 

 picticornis Loew, Cent., vii, 45. — Cal. 

 truquii Bellardi, Saggio, 11, 76, pi. i, f. 10 (Stenopogon?) .—Mex. 



WiLLiSTON, Biologia, Dipt., i, 303. — Guerrero, Mex. 



STENOPOGON. 



Loew, Linnxa Ent., 11, 453, 1847. 



ScHiNER, Fauna Austr., i, 127, 1862. 

 aeacidinus Williston, Trans. Amer. Ent. Soc., xiii, 289. — Kans. 

 albibasis Bigot, Annales, 1878, 422. — Cal. 

 breviusculus Loew, Cent., x, 28. — Cal. 

 calif orniae Walker, List, 11, 322 (Dasypogon). — Cal. 

 consanguineus Loew, Cent., vii, 48. — Nebr. 

 fuscolimbatus Bigot, Annales, 1878, 421. — Mex. 

 gratus Loew, Cent., x, 31; loc. cit., 29, female (tmivittatus) . — Both Cal. 



[Loew, Berl. Ent. Zeitsch., 1874, 358.] 

 inquinatus Loew, Cent., vii, 47. — Nebr. 

 latipennis Loew, Cent, vii, 49. — Pecos R., Texas. 

 longulus Loew, Cent., vii, 50. — Pecos R., Texas. 

 modestus Loew, Cent., vii, 46. — Red R. of the North. 

 morosus Loew, Berl. Ent. Zeitsch., 1874, 356. — Red R. of the North. 

 obscuriventris Loew, Cent., x, 30.— Cal. 



subulatus Wiedemann, Auss. Zw., i, 375 (Dasypogon). — Ga. 

 univittatus Loew, see gratus. 



SPHAGEUS. 



Loew, Cent., vii, 55, 1866. 



ScHiNER, Verb. Zool.-Bot. Ges., 1866, 847, quotes orig. desc. 

 chalcoproctus Loew, Cent., vii, 55.— Cuba. 



MICROSTYLUM. 



Macquart, Dipt. Exot., i, 2, 26, 1838. 

 Loew, Dipterenfauna Sitdafrika's, 74, i860. 

 fulvigaster Bigot, Annales, 1878, 410. — Mex. 

 galactodes Loew, Cent., vii, 44. — N. M. ; Osten Sacken, Cat., corrects to Pecos 



R., Texas, and adds Kans. 

 morosum Loew, Cent, x, 27. — Dallas, Texas, 

 pollens Osten Sacken, Cat., 230, note 100. — Dallas, Texas. 



Note. — Osten Sacken's reference was not intended as a description, but 

 I think the data and the availability of the types make it valid. 



ARCHILESTRIS. 



Loew, Berl. Ent. Zeitsch., 1874, 377, change of name. 

 ScHiNER, Verh. Zool.-Bot. Ges., 1866, 672 (Archilesfes, preoc). 

 Osten Sacken, Biologia, Dipt., i, 169, note, 1887. 

 magnificus Walker, List vi, 427 (Dasypogon). — Mex. 



Bellardi, Saggio, 11, 79, pi. i, f. 11 (Microstylum). — Mexico, near the 



city, at Yautepec and Huastec. 

 ScHiNER, Novara, 168 (id.). — S. A. 



