ANTHOMYIDJE. 135 



9. Arista plumose 10 



Arista bare 11 



10. Sixth vein of the wings prolonged to the posterior margin of the 



wing. HYDROPHOBIA Desvoidy. 



Sixth vein not prolonged MYD^EA Desvoidy. 



11. Sixth vein of the wings very short, with the axillary vein curved 



towards it at the tip 12 



Sixth vein elongated. . . . . . 7 .13 



12. Abdomen depressed, nearly bare; head hemispherical, composed al- 



most wholly of the eyes ; antennas shorter than the face, the third 

 joint often elongated ; legs moderately long, the middle pair in the 

 male often with peculiar structures ; black or gray species, some of 

 them common in dwelling houses. . . HOMALOMYIA Bouche. 

 Abdomen narrow, subcylindrical ; males velvety black with spotted 

 abdomen. ' . . . AZELIA Desvoidy. 



13. Dark metallic black or blue-black species; hind tibiae often arcuate; 



abdomen oval. . . . . . . OPHYRA Desvoidy. 



Species otherwise colored than shining black or metallic blue ; hind 

 tibiae not arcuate (Brachyophyra Giglio-Tos). ANTHOMYIA Meigen. 



14. Arista plumose ; moderate sized to small, elongate species, of gray or 



blackish color; eyes bare; abdomen usually with sub-anal appen- 

 dages in the male. . . . . . HYLEMYIA Desvoidy. 



Arista bare or slightly pubescent. . . . .15 



15. Eyes hairy ; black species with the abdomen sometimes reddish yellow. 



LASIOPS Meigen. 

 Eyes bare (inclusive of Pegomi/ia&nd Phorbia). CHORTOPHILA Kondani. 



16. Palpi dilated spoon-shaped. . . . . . LISPA Latreille. 



Palpi slender, not dilated. . . - . . . . . . 17 



17. Arista plumose ; CARICEA Desvoidy. 



Arista pubescent or bare. . . . , . . . 18 



18. Tegula larger than the antitegula, both of moderate size. 



C^ENOSIA Meigen. 

 Tegula and antitegula of equal size, both small.* 



SCHCENOMYZA Haliday. 



* The genus Facellia Desvoidy is relegated to the Anthomyidae by Becker. 

 The known American species (L.fucorum) lives along the seashore. It is 

 rather thickly bristly and the hind femora in the male have a conspicuous 

 tuft of short black bristles near their base. 



