i/ 



532 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



^ Desmatoneura Williston, Kansas Univ. Quart., vol. 3, p. 267, 1895. 1 specie 



Type, Desmatoneura argentifrons Williston. 

 / Desmometopa Loew, Berliner Ent. Zeitschr. , vol. 9, p. 185, 1865. 2 species. Ty 



Agromyza m-atrum Meigen, the second species, by designation of Hendel, Wie 



Ent. Zeit., vol. 22, 1903, p. 251. Syn., Macrurus Lioy, 1861, preoccupied. 

 v Dexia Meigen, Syst. Beschr. Zweifl. Ins., vol. 5, p. 33, 1826. 24 species. Type, 



Musca rustica Fabricius, the twenty-second species, by designation of Westwood. 



Into., vol. 2, Synops., 1840, p. 140. Syn., Dexilla Westwood, 1840; Ida Desvoidy, 1863 

 •/ Dexilla Westwood, Intr., vol. 2, Synops., p. 140, 1840. 1 species. Type, Musca 



rustica Fabricius. Equals Dexia Meigen, 1826. 



* Dexiopsis PoKORNY,Verh. Zool.-Bot. Ges. Wien, vol. 43, p. 533, 1893. 1 species 

 Type, Aricia lacteipennis Zetterstedt. 



i/ Dexiosoma Rondani, Dipt. Ital. Prodr., vol. 1, p. 85, 1856. 1 species. Type, 



/fusca canina Fabricius. 

 Dexodes Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 56, p. 

 87, 1889. 1 species. Type, Tachina albisquama Zetterstedt (as spectabibU Meigen). 

 Equals Lydella Desvoidy, 1830. 



Diabasis Macquart, Hist. Nat., Dipt., vol. 1, p. 207, 1834. 4 species. Type, 

 Tabanus bicinctus Fabricius, the first species, by present designation. Not Diabasis 

 Hoffmannsegg, 1819. Equals Diachlorus Osten Sacken, 1876. 

 «/ Diachlorus Osten Sacken, Mem. Boston Soc. Nat. Hist., vol. 2, p. 475, 1876. 

 Change of name for Diabasis Macquart, 1834, not of Hoffmannsegg, 1819. Type, 

 Tabanus bicinctus Fabricius. Syn., Diabasis Macquart, 1834, preoccupied, 

 i/ Diacrita Gerst.ecker, Ent. Zeit. Stettin, vol. 21, p. 195, 1860. 1 species. Type, 



Diacrita coslalis Gerst.ecker. Syn., Carlottsemyia Bigot, 1877. 

 / Diadocidia Ruthe, Isis von Oken for 1831, p. 1210, 1831. 1 species. Type Mycetoma 

 ferruginosa Meigen {asflavicans, new species). Syn., Macronevra Macquart, 1834. 

 •/ Dialineura Rondani, Dipt. Ital. Prodr., vol. 1, p. 155, 1856. 1 species. Type, 



Musca anilis Linnaeus. Equals Thereva Latreille, 1796. 

 «/ Dialysis Walker, Ins. Saund., Dipt., p. 4, 1850. 1 species. Type, Stygia elongate 



Say (as dissimilis, new species). Syn., Agnotomyia Williston, 1886. 

 y Diamesa Meigen, Syst. Beschr. Zweifl. Ins., vol. 7, p. 1-, 1838. 2 species. Type, 

 Diamesa waltlii Meigen, the first species, by present designation. 



* Diaphoropeza Townsend, Smiths. Misc. Coll., vol. 51, p. 66, 1908. 1 species. Type, 

 Airopkopoda braueri Williston. Equals Paradidyma BRAUERand Bergenstamm, 1891. 



J Diaphorus Meigen, Syst. Beschr. Zweifl. Ins., vol. 4, p. 32, 1824. 4 species. Type, 

 Dolichopus oculatus Fallen (as flavocinctus, new species), the first species, by designa- 

 tion of Westwood, Intr., vol. 2, Synops., 1840, p. 134. Syn., Brackypus Meigen, 1824; 

 /yroneurus Loew, 1857. 

 Diasemocera Bezzi, Wien. Ent. Zeit., vol. 14, p. 137, 1895. 1 species. Type, 

 Psilopa ruderi Girschner (as nigrotnmiata, new species). Equals Psilopa Fallen, 

 823. 



[Diastata Meigen, Syst. Beschr. Zweifl. Ins., vol. 6, p. 94, 1830. 16 species. Type, 

 Geonajza obscurella Fallen, the third species, by designation of Westwood, Into., 

 vol. 2, Synops., 1840, p. 152. Not American]. (Diastata of authors equals ( 'alopterella, 

 /new name.) 



* Diathronomyia Felt, 23d Rep. State. Ent. N. Y., p. 339, 1908. 1 species. Type. 

 Diathronomyia artemisise Felt. 



* Diatomineura Rondani, Arch. Zool., vol. 3, p. 84, 1864. 5 species. Type, Pan- 

 gonius depressus Macquart, the first species, by present designation. Equals Pan- 



/onius Latreille, 1802. 

 Dichaeta Meigen, Syst. Beschr. Zweifl. Ins , vol. 6, p. 61, 1830. 1 species. Type, 

 Notiphila caudata Fallen. 



Dichaetoneura Johnson, Psyche, vol. 14, p, 9, 1907, 1 species. Type, Dichseton- 

 eura leucoptera Johnson. 



/ 



