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 cinerens Wiedemann. 



iEnigmatias Meinert, Ent. Medd., vol. 2, p. 213, 1890. 1 species. Type, 

 ^nigmatias hlattoides Meinert. 



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

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



Agathomyia Verrall, Brit. Flies, vol. 8, p. 30, 1901. 2 species. Type, Callomiiza 

 antennala Zetterstedt, the first species, by present designation. 



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

 elegantida Roder. Equals Bibiocephala Osten Sacken, 1874. 



Agcidocera Macquart, Ann. Soc. Ent. France for 1855, p. 24, 1855. 1 species. 

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

 VOIDY, 1830. 



Agelanius Rondani, Arch. Zool., vol. 3, p. 79, 1864. 2 species. Type, Agelanws 

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

 LiNN^us, 1758. 



Agnotomyia Williston, Ent. Amer. , vol. 2, p. 106, 1886. 1 species. Type, Slygia 

 elongata Say. Equals Dialysis Walker, 1850. 



uigria Desvoidy, Essai Myod., p. 376, 1830. 1 species (as 6). Type, Musca affinis 

 Fallen. Equals Sarcophaga Meigen, 1826. 



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

 Agromyza pectinaia Meigen. Equals Agromyza Fallen, 1810. 



Agromyza Fallen, Spec. Ent. Meth. Exh., p. 21, 1810. No species. In his 

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

 ambigna 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; Phyllophila Lioy, 1864; Agrobia Lioy, 1864; Redia Lioy, 1864; Agrojyhila 

 Lioy, 1864; Anisonerra Lioy, 1864. 



AgropMla 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, Ahronia froniosa 



HiNE. 



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

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

 Meigen, 1800. 



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

 Desvoidy. Equals Macquartia Desvoidy, 1830. 



AleephaguR Gimmerthal, Ent. Zeit. Stettin, vol. 6, p. 152, 1845. Change of name 

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

 Type, Pedicnlus cervi Linn.eus. Equals Lipoptena Nitzsch, 1818. 



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

 Type, Aldrichia ehrmanni Coquillett. 



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

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

 Morellia Desvoidy, 1830. 



Allocotus Loew, Berliner Ent. Zeitschr., vol. 16, p. 258, 1872. 1 species. Type, AUo- 

 cotus edwardsii Loew. Not Allocotus Mayr, 1864. Equals Paracosmus Osten Sacken, 

 1877. 



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

 Type, MycetopJiila lugetis Wi'edfman^, the fourth species, by designation of Johannsen 

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

 1863. 



