502 PROCEEDINGS OP THE NATIONAL MUSEUM. vol. 37. 



Ablabesmyia Johanxsen, Bull. 86, N. Y. State Mus., p. 125, 1905. 24 species. 

 Type, Tipula monilis Linn^:us, the sixth species, by present designation. 



Ablautus LoEw, Berliner Ent. Zeitschr., vol. 10, p. 37, 1866. 1 species. Type, 

 Ablautns Irifarius Loew. 



AcantJdna Wiedemann, Auss. Zweifl. Ins., vol. 2, p. 50, 1830. 3 species. Type, 

 Clitellaria elongata Wiedemann, the third species, by designation of Brauer, Denkschr. 

 Kais. Akad. Wiss. Wien, vol. 44, 1882, p. 86. Not Acanlhina Fischer, 1806. Equals 

 Artemita Walker, 1854. 



Acanthinomyia Hunter, Trans. Amer. Ent. Soc, vol. 27, p. 129, 1900. Change of 

 name for Acanthhm Wiedemann, 1830, not of Fischer, 1806. Type, Clitellaria 

 elongata Wiedemann. Equals Artemita Walker, 1854. 



Acanthocnema Becker, Berliner Ent. Zeitschr., vol. 39, p. 136, 1894. 3 species. 

 Type, Cordiiura nigr'niKina Zetterstedt, by original designation. 



./lco»//(o??yen( Wiedemann, Dipt. Exot. ,p. 60, 1821. 1 species. Type, Acarithomera 

 picta Wiedemann. Equals Pantophthalmus Thunbero, 1819. 



Acaulona Wulp, Biol. Centr.-Amer., Dipt., vol. 2, p. 4, April, 1888. 1 species. 

 Type, Acaulona costata Wulp. Syn., Euacaulona Townsend, 1908; Euomogenia 

 Townsend, 1908. 



Acemya Desvoidy, Essai Myod., p. 202, 1830. 1 species (as 3). Type, Tachina 

 acnticornis Meigen. Syn., Agciilocera Macquart, 1855. 



Achaetomus Coquillett, Can. Ent., vol. 39, p. 75, March, 1907. 1 species. Type, 

 Achietomiis ])llosnii Coquillett. 



Aclurtoneuru Brauer and Bercienstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 

 58, p. 333, 1891. 5 species. Type Masicera frenchii Williston, the first species (as 

 hesperus, new species), by present designation. Equals Frontina Meigen, 1838. 



Achalcus Loew, Neue Beitr., vol. 5, p. 30, 1857. 2 species. Type, Porphyrops 

 flavicollis Meigen, the first species, by present designation. 



Acicephala Coquillett, Journ. N. Y. Ent. Soc, vol. 6, p. 163, 1898. 2 species. 

 Type, Acicephala jwlita Coquillett, the first species, by original designation. 



Acidia Desvoidy, Essai Myod., p. 720, 1830. 2 species. Type, Tephritis cognata 

 Wiedemann, the second species, by designation of Rondani, Bull. Soc. Ent. Ital., 

 vol. 2, 1870, p. 10. Syn., Ealeia. Walker, 1836; Epidesmia Rondani, 1856; Myoleja 

 Rondaxi, 1856; Prionimera Rot^vani, 1861; Philophylla 'Roif!DAtii, 1870. 



Acidigona Loew, Monogr. Dipt. N. Amer., vol.3, p. 285, 1873. 1 species. Type, 

 Trypcta melanura Loew. 



Aciura Desvoidy, Essai Myod., p. 773, 1830. 2 species. Type, Aciura^ femoralis 

 Desvoidy, the first species, by designation of Rondani, Dipt. Ital. Prodr.,vol. 1, 1856, 

 p. 113. 



Acnemia Winnertz, Verh. Zool.-Bot. Ges. Wien, vol. 13, \^. 798, 1863. 3 species. 

 Type, Leia nitidicollls Meigen, the first species, by designation of Johanxsen in 

 Wytsman's (icn. Ins., Dipt., Mycet., 1909, p. 63. 



Acontistoptera Brues, Amer. Nat., vol. 36, p. 373, May, 1902. 1 species. Type, 

 Acontistoptera rnelanderi Brues. 



Acreotrichus Macquart, Dipt. Exot., Suppl. 4, p. 121, 1850. 2 species. Type, 

 Acreotiichus gibbicornis Macquart, the first species, by present designation. 



Acrocera Meigen, lUiger's Mag., vol. 2, p. 266, 1803. 1 species. Type, Syrphus 

 globulus Panzer. Syn., Paracrocera Mik, 1886. 



Acrochaeta Wiedemanx, Auss. Zweifl. Ins., vol. 2, j). 42, 1830. 1 species. Type, 

 Acroclucia fasciata Wiedemann. 



. Acrocholidia Kolenati, Wien. Ent. Monatschr., vol. 1, p. 62, 1857. 2 species. 

 Type, Acrocholidia bechsteinii Kolenati, the first species, by present designation. 

 Equals Nycteribia Latkeille, 1796. 



Acrochordonodes Bigot, Bull. Soc. Ent. France for 1878, p. 97, 1878. 1 species. 

 Type, Acrochordonodes vittatus Bigot. Equals Senogaster Macquart, 1834. 



