XIII, D, 6 Felt: Netv Philippine Gall Midges 303 



e^ Palpi uniarticulate. 

 f^. Mouth parts produced. 

 g^. Claws distinctly toothed. 



/i\ Ovipositor with a group of hooks on the basal half. 

 • Baldratia Kieff. 



/l^ Ovipositor without hooks but with produced chitinous 



pectinate appendages, lobes broad Baldratiella Kieff. 



gr^ A very small basal tooth on the claws; ovipositor stout, 

 curved, the distal portion slender, almost aciculate. 



Baldratiola Kieff. 

 /". Mouth parts not produced, normal; claws simple. 



g'^. Ovipositor aciculate Aplonyx Perez. 



g-. Ovipositor with two diverging lobes Dibaldratia Kieff. 



g". Ovipositor obliquely truncate distad, with a row of hooks 

 dorsad; head very small, well under the mesonotum. 



Stefaniola Kieff. 

 6'. Mouth parts and thorax prolonged; antennal segments 10 to 13. 



c^. Three long veins, the fifth forked Clinorrhyncha Loew. 



C-. Four long veins, the fifth simple Ozirhynchus Rond. 



a\ Third vein distinctly separated from costa and uniting therevsdth beyond 

 the basal half. 

 6'. First antennal segment normal; not strongly produced; third vein 

 strongly arched, it and the body not thickly clothed with scales. 



Camptoneiiromyia Felt. 

 b". First antennal segment produced, with a length about three times 

 its diameter, the third vein and the body thickly clothed with shin- 

 ing, frequently silvery, scales; ovipositor aciculate... Trotteria Kieff. 



DASYNEURIARI.^ 



Key to the genera. ' 

 a\ Palpi quadriarticulate. 



b'. Antennae usually with 14 or more segments. 



c\ Third vein uniting with the margin well beyond the apex of the 

 wing. 

 d\ Fifteen antennal segments; wings hyaline; the ovipositor short. 



e\ Claws nQi'mal, not strongly bent Baeomyza Kieff. 



e'". Claws bent almost at right angles, pulvilli rudimentary. 



Stomatosema Kieff. 

 dr. Thirteen antennal segments; wings spotted; pulvilli almost half 



the length of the claws Hallomyia Kieff. 



c^. Third vein uniting with costa near or at the apex of the wing, 

 cf . Costa without scales. 



e\ Antennte with 14 to more than 20 segments, usually with 18 

 or more. 

 f. Third vein slightly curved, 19 antennal segments, the ovi- 

 positor short, the lobes orbicular Promikiola Kieff. 



f. Third vein nearly straight, the ovipositor usually produced. 

 gr\ Ovipositor not chitinized apicad. 



/t\ Claws plainly unidentate, the tooth heavily chitinized. 



Rhabdophaga Westw. 

 /^^ Claws with a slightly chitinized trifid tooth. 



Chortomyia Kieff. 



