NO. 1719. TYPE-SPECIES OF AMERICAN DIPTERA—COQUILLETT. 533 



Dichelacera Macquart, Dipt. Exot., vol. 1, pt. 1, p. 112, 1838. 4 species. Type, 

 Dichefacera vnifasciafa Macquart, the third species, by present designation. 



Dichelomyia Rubsaamen, Berhner Ent. Zeitschr., vol. 37, p. 346, 1892. 21 species. 

 Type, Cecidonv/ia saliciperda Dufour, the second species, by present designation. 

 Equals Rabdophaga Westwood, 1847. 



Dichocera WiLUSTON, Ent. News, vol. 6, p. 31, 1S95. 1 species. Type, Dichocera 

 lyraia Williston. 



Dichrodiplosis Kieffek, Bull. Soc. P]nt. France for 1895, p. 194, 1895. 1 species. 

 Type, Diclirodiplons fuciata Kieffer. 



Didisa ScHiNER, Verb. Zool.-Bot. Ges. Wien, vol. 17, p. 311, 1867. 1 species. 

 Type, Pangonius incompldus Macquart. Equals Scione Walker, 1850. 



Dicolonus LoEw, Berliner Ent. Zeitschr., vol. 10, p. 32, 1866. 1 species. Type, 

 Dicolonus simplex Loew. 



Dia'anomyia Stephens, Syst. Cat. Brit. Ins., vol. 2, p. 243, 1829. 8 species. Type, 

 Limnohia modesta Meigen, the fourth species, by present designation. Equals 

 Furcomyia Meigen, 1818. 



Dicranophragma Osten Sacken, Proc. Acad. Nat. Sci. Phila. for 1859, p. 240, 1860. 

 1 species. Type, Lhnnoplvihi fuscoraria Osten Sacken. Equals PhyHdorea Bigot, 

 1854. 



Dicranoptgcha Osten Sacken, Proc. Acad. Nat. Sci. Phila. for 1859, p. 217, 1860. 

 4 (supposed) species. Type, Dlcrnnopti/clia germana Osten Sacken, the first species, 

 by present designation. Equals Marginomyia Meigen, 1818. 



Dicranota Zetterstedt, Ins. Lapp., p. 851, 1838. 1 species. Type, Tipula 

 bimacidata Schummel (as guerini, new species). 



Dicranus Loew, Bemerk. Asiliden, p. 13, 1851. 1 species. Type, Dasypogon ru- 

 tilus Wiedemann. 



Didea Macquart, Hist. Nat., Dipt., vol. 1, p. 508, 1834. 1 species. Type, Didea 

 fiiseiata Macquart. Syn., Enica Meigen, 1838. 



Didyma Wulp, Biol. Centr.-Amer., Dipt., vol. 2, p. 156, 1890. 18 species. Type, 

 DIdyma albomicans Wulp, the twelfth species, by designation of Townsend in 

 Williston's Man. N. Amer. Dipt., 1908, p. 379. 



Ddophus Meigen, Illiger's Mag., vol. 2, p. 264, 1803. No species. In his Klass. 

 Beschr. Zweifl. Ins., 1804, pp. 115 and 116, 3 species. Type, Tipula febrilis Linnaeus, 

 the first species, by designation of Latreille, Consider. General., 1810, p. 442. Equals 

 Philia Meigen, 1800. 



Dimeraspis Newman, Ent. Mag., vol. 5, p. 372, 1838. 1 species. Type, Mulio globosus 

 Fabricius {as podagra, new species). Equals Microdon Meigen, 1803. 



Dineira Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1315, 1864. 4 species. Type, 

 P/( y^oin/zjaefe^rons Meigen, the first speci^g<+5y present designation. Equals Napomyza 

 Haliday, 1840. 



Dioctria Meigen, Illiger's Mag., vol. 2, p. 270, 1803. 3 species. Type, Asilus wlan- 

 dicus Linn.eus, the first species, by designation of Latreille, Consider. General., 

 p. 443, 1810. 



Diogmites Loew, Berliner Ent. Zeitschr., vol. 10, p. 21, 1866. 8 species. Type, 

 Diogiidtcs platypterus Loew, the first species, by present designation. Equals 

 Deromyia Philippi, 1865. 



Diomonus Walker, List Dipt. Brit. Mus., vol. 1, p. 87, 1848. 1 species. Type, 

 Diomonus nebidosus Walker. 



Diomyza Meigen, Syst. Beschr. Zweifl. Ins., vol. 1, p. 89, 1818. 1 species. Type, 

 La.fioptera picta Meigen. Equals Lasioptera Meigen, 1818. 



Dionsea Desvoidy, Essai Myod., p. 253, 1830. 2 species. Type, Tachina forci- 

 pata Meigen, the first species, by designation of Desvoidy, Hist. Nat. Dipt., vol. 2, 

 1863, p. 54. Syn., Labigastera Macquart, 1834. 



