178 DIPTERA 
Meigen, Syst. Beschr. Vol. 6, p. 337 (1830); Walker, List Dipt. Brit. id 
Mus. Vol. 3, p. 495 (1849); Ins. Brit. Vol. 1, p. 94 (1851). 
pennaria, Fallen, part, Empid. Suec. p. 2o, part (1815): Zetterstedt, Fauna 
Ins. Lappon. p. 562, part (1838); Lundbeck, Dipt. Danica, Vol. 3, p. 118 : 
[1910] (Pterempis); Wahlgren, Ent. Tidskr. Vol. 31, p. 63 (1o1o). ! : 
459. E. vicina, Arribálzaga, Natural. Argent. Buenos-Aires, Vol. r, p. 294 Argentina. 
(1878); Bezzi, Nova Acta Akad. Naturf. Halle, Vol. 91, p. 345 (1909). 
460. E. villosa, Macquart, Mém. Soc. Sc. Lille, p. 161 (1823). France. 
461. E. villosula, Bigot, Ann. Soc. Ent. France (6), Vol. 9, p. 131(1889); Chile. 
Bezzi, Nova Acta Akad. Naturf. Halle, Vol. 91, p. 343 (1909). 
462. E. virgata, Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 408 (1895); "WW. North America, 
Proc. Wash. Acad. Sc. Vol. 2, p. 408 (1900); Melander, Trans. Alaska. 
Amer. Ent. Soc. Vol. 28, p. 312, f. 108 (1902). 
463. E. volucris, Wiedemann-Meigen, Syst. Beschr. Vol. 3, p. 23 (1822); S. & C. Europe. 
Loew, Berl. Ent. Zeitschr. Vol. 1t, p. 56 (1867); Strobl, Wien. Ent. 
Zeit. Vol. 18, p. 17 (1899); Kuntze, Zeitschr. Hym. Dipt. Vol. 7, 
P. 26 (1907). 
var. vitripennis, Meigen, Syst. Beschr. Vol. 3, p.25 (1822); Curtis, Brit. Ent. C. Europe. 
Vol. 8, p. 18, 4 (1824); Macquart, Dipt. N. France, Vol. 3, p. 127 (1827); 
Hist. Nat. Vol. 1, p. 332 (1834); Boitard, Man. Ent. Vol. 3, p. 319 (1843); 
Walker, Ins Brit. Vol. rz, p. 94 (1851); Schiner, Fauna Dipt. Austr. 
Vol. 1. p. 106 (1862); Loew, Berl. Ent. Zeitschr. Vol. 11, p. 57, 163 (1867); 
ibidem, Vol. 13, p. 88 (1869); Raddatz, Arch. Ver. Freund Nat. Mecklenb. 
Rostock, Vol. 27, p. 40 (1873); Elliot, Trans. Ent. Soc. Lond. 1896, 
p. 117-128 (1896); Bezzi, Deutsche Ent. Zeitschr. Beiheft, p. 1or [1909] 
(Coptophlebíay, Lundbeck, Dipt. Danica, Vol, 3, p. 106, f. 37 [1910] (Cofto- 
phlebia). 
mana, Macquart, Mém. Soc. Sc. Lille, p. 161, 165 (1823); Bezzi, Deutsche 
Ent. Zeitschr. Beiheft, p. 91 (1909). 
turbida, Meigen, Syst. Beschr. Vol. 7, p. 86(1838); Schiner, Fauna Dipt. Austr. 
Vol. rz, p. 108 (1862); Loew, Berl. Ent Zeitschr. Vol. rr, p. 6r, 163 
(1867); Neuhaus, Dipt. March. p. 72 (1886); Kuntze, Zeitschr. Hym. 
Dipt. Vol. 7, p. 26 [1907] (twida). 
464. E. Walkeri, Bezzi, Nova Acta Akad. Naturf. Halle, Vol. gt, p. 343 Magellan. 
(1909). 
fulva Walker (not Macquart) Trans. Linn. Soc. Lond. (Zool.) Vol. 17, 
P- 341 (1837). 
465. E. xanthobyga, Schiner, Novara Reise, Dipt. p. 204, 6 (1869); Bezzi, Australia. 
Ann. Mus. Hungar. Vol. 2, p. 343, note (1904). 
466. E. xochitl, Wheeler & Melander, Biol. Centr. Amer. Dipt. Vol. r. p. 370 Mexico. 
(1901); Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 292, f. 118 
(1902); Bezzi, Nova Acta Akad. Naturf. Halle, Vol. 91, p. 345(1909). 
27. GENUS EMPIMORPHA, COQUILLETT 
Empimorpha, Coquillett, Proc. U, S. Nat. Mus. Vol. t8, p. 389, 396 (1895); Melander, Trans. Amer. 
Ent. Soc. Vol. 28, p. 329 (1902); Coquillett, Proc. Ent. Soc. Wash. Vol. 5, p. 249, 263 (1903); 
Melander, Williston Man. N. Amer. Dipt. p. 226 (1908); Kertész, Cat. Dipt. Vol. 6, p. 79 (1909); 
Coquillett, Proc. U. S. Nat. Mus. Vol. 37, p. 537 (1910). 
Characters. — Robust species, differing from Empfis, s. str., only in the greater development 
of the hairs which occur in conspicuous amount even on the face. Style of the antennze much shorter 
than the third joint, basal joints of the antennz hirsute; eyes of the male contiguous along the front, the 
upper facets larger than the lower but still small; proboscis twice as long as the head, vertical, palpi 
rather cylindrical, porrect, hairy. Disk of the thorax very hairy, not setose, about six notopleurals no 
