t 



502 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 37. 



" Ablabesmyia Johannsen, Bull. 86, N. Y. State Mas., p. 125, 1905. 24 species. 



Type, Tipula monilis LiNNiEUS, the sixth species, by present designation. 

 >/ Ablautus Loew, Berliner Ent. Zeitschr., vol. 10, p. 37, 1866. 1 species. Type, 



Ablautus trifarius Loew. 

 •/ Acanthina Wiedemann, Auss. Zweifl. Ins., vol. 2, p. 50, 1830. 3 species. Type, 



Clitellaria elongala Wiedemann, the third species, by designation of Brauee, Denkschr. 



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



Artemita Walker, 1854. 

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



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



elongala Wiedemann. Equals Artemita Walker, 1854. 

 •/ Acanthocnema Becker, Berliner Ent. Zeitschr., vol. 89, p. 136, 1894. 3 species. 



Type, Cordilura nigrimana Zetterstedt, by original designation. 

 ** Acanthomera Wiedem ann, Dipt. Exot., p. 60, 1821. 1 species. Type, Acanthomcra 



picta Wiedemann. Equals Pantophthalmus Thunberg, 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 M.yod., p. 202, 1830. 1 species (as 3). Type, Tachina 



acuticornis Meigen . Syn., Agculocera Macquart, 1855. 

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



Achsetonivs pilosus Coquillett. 

 *-' Achseioneura Brauer and Bergenstamm, 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. 

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



Type, Acicephala polita 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., Euleia Walker, 1836; Epidesmia Rondani, 1856; Myoleja 



Rondani, 1856; Prionimera Rondani, 1861; Philophylla Rondani, 1870. 

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



Trypeta melanura Loew. 

 >/ Aciura Desvoidy, Essai Myod., p. 773, 1830. 2 species. Type, Aciura fern oral 'is 



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



p. 113. 

 / Acnemia Winnertz, Verb.. Zool.-Bot. Gres. Wien, vol. 13, p. 798, 1863. 3 species. 



Type, Leia nitidicollis Meigen, the first species, by designation of Johannsen in 



Wytsman's Gen. Ins., Dipt., Mycet, 1909, p. 63. 

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



Acontistoptera melanderi Brues. 

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



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

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



globulus Panzer. Syn. , Paracrocera Mik, 1886. 

 y Acrochseta Wiedemann, Auss. Zweifl. Ins., vol. 2, p. 42, 1830. 1 species. Type, 



Acmclueta fasciata Wiedemann. 

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



Type, Acrocholidia bechste'niii Kolenati, the first species, by present designation. 



Equals Nycteribia Latreille, 1796. 

 1/ Acrochordono'des Bigot, Bull. Soc. Ent. France for 1878, p. 97, 1878. 1 species. 



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



