154 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 97 
5. Abdomen blood red to dark reddish brown; width of male front at vertex one- 
third or. more width of head. 0.33-—-0:89) nn a pcre 6 
Abdomen black; at vertex male front noticeably narrower than in any of the 
other species (holotype, 0.28 head width) ____- 4, huascarayana Townsend 
6. Abdomen blood red; thorax reddish brown, disk of mesonotum dull gray- 
black; female without proclinate frontoorbital bristles. 
5. subalpina Townsend 
Abdomen dark reddish brown, appearing to naked eye little different from 
black species; thorax black; female with 1 or 2 pairs of proclinate 
TELL OLE USULS ete ee ee ree ae 6. aldrichi, new species 
(Tibiae and tarsi with silvery hairs) 
7. Legs entirely black in ground color; parafacials and cheeks of smoky golden 
color; silvery hair on tibiae quite dense____________ 7. argyropus (Schiner) 
Legs with at least metatarsi yellow in ground color____________--________ 8 
8. Femora and tibiae entirely black in ground color; silvery hair on tibiae dense 
and closely appressed, concealing the ground color from direct view-____-_- 9 
Legs predominantly yellow to orange in ground color, femora somewhat darker 
and infuseated toward base; tibiae not so thickly covered with silvery 
hair, ground color quite evident___+_-__________-__ 8. pallipes (Macquart) 
9. Parafacials and cheeks smoky golden; tarsi entirely yellow; third antennal 
segment of male only slightly broadened at base, if at all___-_____--____ 10 
Parafacials and cheeks predominantly silvery white; tarsi more or less in- 
fusecated apically, but at least the basal segment yellow; third antennal 
‘segment of male strongly broadened dorsally at base__9. melanax (Walker) 
(The male of pseudopyrrhopoda Blanchard is unknown, but the female will come 
to this point in the key.) 
10. Hind tibia without bristles except at extreme apex. 
10. nuditibia, new species 
Hind tibia with four slender but distinct anterodorSsal bristles. 
11. andeana, new species 
SPECIES OF UNCERTAIN STATUS OR TRANSFERRED ELSEWHERE 
EUDEJEANIA PALLIDA (Robineau-Desvoidy) 
Dejeania pallida RopinEAv-DEsvoipy, Diptéres des environs de Paris, vol. 1, 
p. 658, 1863 (Mexico). E 
Pudejeania pallida (Robineau-Desvoidy) ENGEL, Zool. Jahrb., Abt. Syst., vol. 43, 
p. 291, 1920. 
Budejeania pallida (Robineau-Desvoidy) TowNseEnp, Rev. Ent., vol. 1, p. 163, 1981. 
Townsend reported that the type was lost, but he doubted that Engel 
was correct in determining material from the high Andes under a name 
proposed for a Mexican species. AI] that can be said from the descrip- 
tion is that the abdomen was reddish brown and the legs reddish. 
Engel stated that the typical form of pallida had the tibiae covered 
with appressed, silvery-white hair, but inasmuch as that appearance is 
so striking, it scarcely seems credible that Robineau-Desvoidy would 
have failed to mention it had his specimens been so ornamented. £. 
pallida of Engel belongs in the group of species with pallipes Macquart, 
argyropus Schiner, e¢ al., whereas it appears probable that pallda 
