FAM. EMPIDID/E 107 
'Thorax cinereous dusted, opaque; coxe. anterior femora and base 
of the hind femora pale yellow; sections of the fifth vein 2 : 1, 
IMEEM o i 1E uu eccorce se veces * A; PLAVICOXA, HIDY. SD. (1). 
Geographical distribution. 
1. A. autipodus, Bezzi, Ann. Mus. Hungar, Vol. 2, p. 339. f. 3, 4 (1904). New South Wales. 
2. A. celebs, Becker, Wien. Ent. Zeit. Vol. 10, p. 283 (1891); Acta Soc. Sc. Alps; Siberia. 
Fenn. Helsingfors, Vol. 26 (9), p. 27 (1900). 
3. A. consobrinus, Zetterstedt, Fauna Ins. Lappon. p. 541 [1838] (Rhamphomyza). C. & N. Europe. 
myrice, Haliday, Walker, Ins. Brit Dipt. Vol. z, p. 111 [185r] (EutAyneura); ; 
Loew. Syst. Beschr. Vol. 2, p. 251, note 2 [1871] (Euthyneura); Lundbeck, 
Dipt. Dan. Vol. 3, p. 211 [1910] (Ewthyzeura); Wahlgren, Ent. Tidskr. 
Vol. 31, p. 8o, f. 12 [1910] (Euhyneura) ; Frey, Acta Soc. Sc. Fenn. Hel- 
singfors, Vol. 37 (3), p. 6o [1913] (Euthyneura). 
vostratus, Zetterstedt, Dipt. Scand. Vol. 1, p. 250. 415, note 2 [1842] (AntAalia), 
Vol. 8, p. 2998 [1849] (AztAalia) ; Loew, Beschr. Eur. Dipt. Vol.2, p 251 
[1871] CEuthyneura). 
4. A. flavicoxa, nov. sp. . Washington. 
5. A. flavipilosus, Coquillett, Proc. Wash. Acad. Sc. Vol. 2, p. 413 [1900] British Columbia. 
(Microphorus); Melander, Trans. Amer. Ent. Soc. Vol. 28, p.257 
[1902] (Euthyneura) ; Coquillett, Proc. Ent. Soc. Wash. Vol. 5, p. 263 
[1903] (Mzcrophorus). 
6. A. hirsutus, nov. sp. Washington. 
7. A. longipalpis, nov. sp. Washington. 
8. A. nuptus, nov. sp. Washington. 
9. A. edalinus, Zetterstedt, Fauna Ins. Lappon, p. 570 (1838) Q (Rhampho- NN. Europe. 
myza); Dipt. Scand. Vol. rz, p. 413 [1842] (Rhamphomyia) ; Bonsdorff, 
Finl. tvàv. Ins: Dipt. Vol. 1. p. 172 [1861]( R&amphomyia); Wahlgren, 
Ent. Tidskr. Vol. 31, p. 57 [1910] (hampAhomyia); Frey, Acta Soc. 
Sc. Fenn. Helsingfors, Vol. 37 (3), p. 34, pl. r. f. 1 (1913). 
fraternellus, Zetterstedt, Fauna Ins. Lappon, p. 570 [1838] (Rhamphomyza) ; 
Dipt. Scand. Vol. 1, p. 419 [1842] (Rhamphomyia) ; Bonsdorff, Finl. tvàv. 
Ins. Dipt. Vol. r, p. 172 [1861] (Rhamphomyia) ; Frey, Acta Soc. Sc. Fenn. 
Helsingfors, Vol. 31 (9), p. 18, note [1908] (Rhamphomyia); Wahlgren, 
Ent. Tidskr. Vol. 31, p. 57 [1910] (Rhamphomyia). 
? furcatus, Zetterstedt, Dipt. Scand. Vol. 1, p. 252 [1842] (AzAalia); Schiner, 
Fauna Dipt. Austr. Vol. 1, p. 110 [1862] (Empis); Loew, Beschr. Eur. 
3Dipt. Vol. 2, p. 253, note [1871] (Iteaphila maackii Q ?); Kertész, Cat. 
Dipt. Vol. 6, p. 81 [1909] (Euzhyzeura ?); Frey, Acta Soc. Sc. Fenn. 
Helsingfors, Vol. 37 (3). p. 35 (1913). 
niger. Zetterstedt, Dipt. Scand. Vol. rz, p. 251 [1842] (Azthalia); Wahlgren, 
Ent. Tidskr. Vol. 31, p. 80 [1910] (Euthyneura). 
10. A. folygynus, nov. sp. Washington. 
(1) Anthepiscopus flavicoxa, nov. sp. — Female. Length 2.8 mm. Opaque, cinereous black; base of the 
legs yellow; bristles black. Head lightly cinereous, five fronto-orbital setule; third joint of the antenna broad, only 
' slightly tapering, almost four times as long as broad, style nearly invisible; proboscis as long as the head, thick, palpi 
narrowly clavate, blunt at the tip, three-fourths as long as the third joint of the antenne. — Three posthumerals, three noto- 
pleurals, ten scutellars, anterior dorsocentrals setuliform, arranged in a definite row, similar to the biseriate acrostichal 
setule. Coxse, anterior femora and tibize and base of the hind femora clear ycllow, remainder of the legs blackish brown, 
the hairs black. Calypteres and stem of the halteres yellow, knob blackish. Wings hyaline, veins narrow but blackish, 
stigma distinct, discal cell three times as long as broad, one-half longer than the second basal cell, sections of the fourth 
vein proportioned 0.6 : 0.4 : 1 : 1,5, of the fifth vein, 1 : 0.6, anal vein indicated by only a weak fold. 
One specimen ; Kettle Falls, Washington, May 3, 1912. 
