ANTHOMYINA. 313 
. Tegule unequal ; the lower scale extending beyond the upper. . 3. 
Tegulee equal, the lower scale wholly covered by the upper. . . 15. 
. Abdomen of the ¢ ovate or conical, on the dorsal side with four 
visible segments ; the first segment not longer than the second. 4. 
Abdomen of the ¢ elongate, the first segment longer than the 
11. Eyes pilose. Trichophthicus, Rond. “3% < 
- Eyes bare . Co ee ee ee ee we ee ww TR, 
12. Anal vein short; the axillary vein roundly curved towards the 
anal vein oe oe oe Homalomyia, Bouché. 470 | 
Anal vein long and often reaching the border of the wing 13. | 
13. Arista plumose 2... 6 ee ee ee ee es Hydrophoria, Rob.-Desv.3 7) "1. 
Arista bare or pubescent . . . . oe 14. 
14. Oral margin and underside of the head ‘thiekly clothed with 
bristly hairs . . . . . Pogonomyia, Rond, “3% cf 
Oral margin and underside of the head with only the usual bristles. Anthomyia, Meig. *) 7357 
15. Eyes pilose. Lasiops, Meig. 372" 
Eyes bare 2. . 1 6 ee ee eee ee 16. 
16. Arista plumose Hylemyia, Rob.-Desv.% 2") 
Arista bare 17. 
17. Abdomen of the g subeylindrical Chortophila, Macq. 7°») 
Abdomen oblong, depressed . Loe eee . Phorbia, Rob.-Desv.”? ~ } 
18. Small cross-vein before the end of the first vein (large species) Charadrella, v. d. Wulp. ay) 
Small cross-vein under or beyond the end of the first vein . 19. 
19. Palpi unusually enlarged towards the tip . Lispe, Latr. 244% 
Palpi of usual shape (cylindrical or filiform) . . . . . 20. 
20. Tegule unequal; the lower scale extending beyond the upper . Cenosia, Meig. a ~ 
second and sometimes showing a basal separation . 
. Abdomen ovate, not spotted . 
Abdomen subconical, with distinct blackish spots . 
. Front femora in the 3 denticulate or excavated 
Front femora simple in both sexes . 
. Abdomen shining black or metallic. . 
Abdomen of more clear coloration and with blackish markings . 
. Vibrissee inserted at some distance above the oral margin 
Vibrisse inserted at the oral margin 
. Fourth vein nearly or quite straight 
Fourth vein distinctly curved upwards before its end . 
Tegule equal; the upper scale covering the under . 
BIOL. CENTR.-AMER., Dipt., Vol. I1., October 1896, 
ll. 
Eyes pilose Hyetodesia, Rond. >! 4 
Eyes bare . 5. 
. Arista plumose re 6. 
Arista bare or simply pubescent . 7. 
Mydea, Rob.-Desv. 2 'l- 
Spilogaster, Macq. 2! 4 
Hydrotea, Rob.-Desv. 9% L 
8. 
Ophyra, Rob.-Desv. 22-3 
9. 
Brachyophyra, Gigl.-Tos. 2“ 
10. 
Limnophora, Rob.-Desv. ~.’ 
Leucomelina, Macq. >i, 
Schenomyza, Hal. 7) 44, 
28 
alt 
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