xiii, D, 6 Felt: New Philippine Gall Midges 305 



e^ Antennae with 12 segments, the flagellate ones sessile in both 

 sexes. 

 /\ Terminal clasp segment large, greatly swollen. 



Macrolabls Kieff. 

 /'. Terminal clasp segment normal. 



g^. Harpes not sickle-shaped or greatly produced. 



Arnoldia Kietf. 



gr^ Harpes sickle-shaped, greatly produced.... Harpomyia Felt. 



d'. Third vein uniting with costa well before the apex of the wing. 



e\ Antennffi with 12 segments. 



f. Third vein strongly curved, uniting with costa at the distal 



fourth; flagellate antennal segments of the male stemmed. 



Neuromyia Felt. 

 a^ Palpi triarticulate. 



6'. Claws unidentate; rarely bidentate. 



c^. Antennae with 16 to 18 segments, the flagellate ones stemmed in 

 the male, sessile in the female, claws shorter than the pulvilli; 



male genitalia not unusual Dryomyia Kieff. 



c^ Antennae with 18 segments, the flagellate ones sessile, the claws 

 with a length one-half that of the pulvilli, terminal clasp seg- 

 ment very large Calopedila Kieff. 



c^ Antennal segments 15, costa haired, legs scaled, ovipositor long. 



Spartiomyia Kieff. 

 c^. Antennae with 12 segments, terminal clasp segment slender, the 



dorsal and ventral plates deeply emarginate Rhizomyia Kieff. 



b^. Claws pectinate. 



c\ Antennae with 14 segments, the terminal clasp segment long, stout, 

 the ovipositor short, the lobes broadly oval. 



Ctenodactylomyia Felt. 

 a^ Palpi biarticulate. 



6\ Antennal segments 14 to 18, the flagellate ones usually stemmed in 



both sexes Diarthronomyia Felt. 



b'. Antennal segments 12, the flagellate ones in the male stemmed. 



Coccidomyia Felt. 

 a*. Palpi uniarticulate. 



b^. Antennal segments 20, the flagellate ones stemmed in the male, ses- 

 sile in the female, circumfila recticulate, the unidentate claws 



shorter than the pulvilli Scheuria Kieff. 



b\ Antennal segments 16 in the male, 18 in the female, the flagellate 

 ones in the male stemmed, the trifid claws longer than the pulvilli. 



Guarephila Tav. 



OLIGOTROPHIARI.,^ 



Key to the genera * 



a'. Palpi quadriarticulate. 



6\ Third vein uniting with the margin well before the apex. 



c\ Antennae with 10 segments in the male, 9 in the female; claws 

 very slender, curved almost at right angles; pulvilli rudimentary. 



Properrisia Kieff. 

 c^ Antennae with 14 or more segments. 



* Revised from Kieffer. 



