^504 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



*/ Aedes Wiedemann, in Meigen' s Syst. Beschr. Zweifl. Ins., vol. 1, p. 13, 1818. 1 



species. Type, Aedes cinereus Wiedemann. 

 ^ JEnigmatias ]\Ieinert, Ent. Medd., vol. 2, p. 213, 1890. 1 species. Type, 



JEnigmatias blattoides Meinert. 

 *"" Agatachys Meigen, Syst. Beschr. Zweifl. Ins., vol. 6, p. 343, 1830. 1 species. 



Type Tachydromia celeripes Meigen. Syn., Stilpon Loew, 1859. 

 *^ Agathomyia Yerrall, Brit. Flies, vol. 8, p. 30, 1901. 2 species. Type, Cailomyza 



antennafa Zetterstedt, the first species, by present designation. 

 *s Agathon Roder, Wien. Ent. Zeit,, vol. 9, p. 230, 1890. 1 species. Type, Agathon 



elegardula Roder. Equals Bibiocephala Osten Sacken, 1874. 

 is* Ageulocera Macquart, Ann. Soc. Ent. France for 1855, p. 24, 1855. 1 species. 



Type, Tachina amticornis Meigen (as nigra, new species). Equals Acemya Des- 



voidy, 1830. 

 *^ Agelanius Rondani, Arch. Zool., vol. 3, p. 79, 1864. 2 species. Type, Agelanivs 



meridianus Rondani, the first species, by present designation. Equals Tabanus 



Linn.et-s, 1758. 

 " Agnotomyia Williston, Ent. Amer., vol. 2, p. 106, 1888. 1 species. Type, Slygia 



elongata Say. Equals Dialysis Walker, 1850. 

 */ Agr'va Desvoidy, Essai Myod., p. 376, 1830. 1 species (as 6). Type, Musca affirm 



Fallen. Equals Sarcophaga Meigen, 1826. 

 S Agrobia Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1313, 1864. 1 species. Type, 



Agromyza pectinata Meigen. Equals Agromyza Fallen, 1810. 

 ^ Agromyza Fallen, Spec. Ent. Meth. Exh., p. 21, IS10. No species. In his 



Agromyzides Sveciee, pp. 3 to 7, 1823, 14 species (1 as a variety).' Type, Agromyza 



ambigua Fallen (described as a variety of the first species), by designation of 



Westwood, Intr., vol. 2, Synops., p. 151, 1840 (as nigripes Meigen). Syn., Phytobia 



Lioy, 1864; PhyUophUa~LioY, 1864; Agrobia Lioy, 1864; Redia Lioy, 1864; Agrophila 



Lioy, 1864; Anisonevra Lioy, 1864. 

 ^ Agrophila Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1314, 1864. 4 species. Type, 



Agromyza exilis Meigen, the first species, by present designation. Equals Agromyza 



Fallen, 1810. 

 ^ Akronia Hine, Ohio Nat., vol. 1, p. 113, 1901. 1 species. Type, Akronki frontosa 



Hine. 

 t/ Alasion Rondani, Dipt. Ital. Prodr., vol. 2, p. 14, 1857. Change of name for Apogon 



Rondani, 1856, preoccupied. Type, Ceratopogon flavipes Meigen. Equals Helea 



Meigen, 1800. 

 is Albinia Desvoidy, Essai Myod., p. 209, 1830. 1 species. Type, Albinia buccalis 



Desvoidy. Equals Macquartia Desvoidy, 1830. 

 *^ Alcephagus Gimmerthal, Ent. Zeit. Stettin, vol. 6, p. 152, 1S45. Change of name 



for Ornithobia Meigen, 1830, on the ground that the latter name is not appropriate. 



Type, Pediculus cervi Linn.ets. Equals Lipoptena Nitzsch, 1818. 

 v Aldrichia Coquillett, Trans. Amer. Ent. Soc, vol. 21, p. 93, 1894. 1 species. 



Type, Aldrichia ehrmanni Coo.uillett. 

 ^ Alma Desvoidy, Hist. Nat. Dipt., vol. 2, p. 639, 1863. 3 species (as 4). Type, 



Alina pratensis Desvoidy, the second species, by present designation. Equals 



Morellia Desvoidy, 1830. 

 t^ AUocotus Loew, Berliner Ent. Zeitschr., vol. 16, p. 258, 1872. 1 species. Type, Atto- 



cotus edivardsii IjOEW, Not AUocotu* Mayr, 1864. Equals Paracosmus Osten Sacken, 



1877. 

 // Allodia Winnertz, Verb. Zool.-Bot. Ges. Wien, vol. 13, p. 826, 1863. 5 species. 



Type, Mycetophila lugens Wiedemann, the fourth species, by designation of Johannsen 



in Wytsman's Gen. Ins., Dipt., Mycet., 1909, p. 104. Syn. Brachycampta Winnektz, 



1863." 



