218 Annals Entomological Society of America [Vol. XI, 



moriella Zetterstedt N. and C. Europe 



Zetterstedt, Ins. Lapp. 552 (1838) Tachydromia; Dipt. Sc. i. 299 (1842) Tachy- 



dromia; Wahlgren, Ent. Tidskr. xxxi. 86, f. 15 (1910). 

 curvinervis Zetterstedt, Dipt. Sc. i. 301 (1842) Tachydromia. 

 flexuosa LoEW, Progr. Posen, 1840, 23; Isis vii. 552 (1840); Scholz, Zts. Ent. 

 Bresl. V. (19) 60 (1851); LoEW Neue Beitr. vi. 39 (1859); Schiner, F. A. 

 Dipt. i. 96 (1862). 

 geniculata Fallen, Empid. 7, part (1815) Tachydromia. 

 nigra Zetterstedt. Dipt. Sc. i. 297 (1842) Tachydromia; Bonsdorf, Finl. tv. 



Ins. i. 150 (1861) Tachydromia. 

 picipes Zetterstedt, Dipt. Sc. i. 298 (1842) Tachydromia. 

 var. setlgera Loew 



LoEW, Neue Beitr. vi. 39 (1859); Schiner, F. A. Dipt. i. 96' (1862); Lundbeck, 

 Dipt. Dan. iii. 255, f. 114 (1910); Frey, Acta Soc. Fenn. xxxvii (3) 70 (1913). 



var. dilutipes Strobl Spain 



Strobl, Mem. Soc. Esp. Hist. Nat. iii. 312 (1906). 



nitens, new species Mexico, Panama 



nuda, new species Africa 



obscuripennis Philippi, not Bezzi Chile 



Philippi, Verb. z. b. Ges. Wien. xv. 768 (1865); Bezzi, N. Act. Kais. Akad. 

 xci. 397 (1909). 



CBdimera, new species Vera Cruz 



parvicornis, new species Washington 



pennescens, new species Peru 



phaeoptera Bezzi N. Guinea 



Bezzi, Wien. Ent. Ztg. xxiii. 145 (1904); Ann. Mus. Hung. x. 479 (1912). 

 obscuripennis Bezzi, not Philippi, Ann. Mus. Nat. Hung. ii. 351 (1904). 



pilipes Loew S. Europe, N. Africa 



Loew, N. Beitr. vi. 36 (1859); Bezzi, Bull. Soc. Ent. Ital. xxx. 152 (1899); 

 Becker, Mittl. Zool. Mus. Berl. ii. 40 (1902). 



plumipes, new species Texas 



pubicornis Bezzi Formosa 



Bezzi, Ann. Mus. Hung. x. 479 and 482 (1912). 



quadrisetosa, new species Mexico, Central America 



scissa, new species W. United States 



medetera Melander, part, Tr. Am. Ent. Soc. xxviii. 208, pi. 5, f. 22 (1902); 

 Coquillett Proc. Ent. Soc. Wash. v. 265 (1903) Elaphropeza; Melander, 

 Ent. News. 372 (1906); Bezzi, Ann. Mus. Hung. v. 567 (1907) Elaphropeza. 



septentrionalis Melander Michigan 



Melander, Tr. Am. Ent. Soc. xxviii. 211 (1902). 



var. mexicana, new variety Tampico 



spectabilis Melander United States 



Melander, Tr. Am. Ent. Soc. xxviii. 212, f. 9, 20 (1902). 



spinipes, new species Africa 



unipila Loew ; W. United States 



Loew, Berl. Ent. Zeitschr. xvi. 88,' Cent. x. 60 (1872); Melander, Tr. Am. 

 Ent. vSoc. xxviii. 211 and 339, f. 10, 14, 21 (1902); Ent. News, xvii. 372 (1906). 



var. nitida Melander W. United States 



Melander, Tr. Am. Ent. Soc. xxviii. 207, f. 10, 14, 21, and 339; Cole, Rept. 

 Laguna Marine Lab. i. 152 (1912). 



vitiosum Meunier Baltic Amber 



Meunier, Ann. Sci. Nat. Zool. 7, 96, pi. iii. f. 10-13 (190S) 



xanthopoda Williston part West Indies 



Williston, Tr. Ent. Soc. Lond. iii. 308, pi. iv. f. 85, part (1896); Melander, 



Tr. Am. Ent. Soc. xxviii, 212 and 340 (1902). 

 flavipes Williston, not Macquart, Tr. Ent. Soc. Lond. iii. Appendix, 441, 

 table (1896); Melander, Tr. Am. Ent. Soc. xxviii. 212 (1902). 



