xni.D, 6 Felt: New Philippine Gall Midges 321 



e', Male and female with 14 antennal segments; flagellate seg- 

 ments of the female with 3 circumfila.... Trishormomyia Kieff. 

 d". Thorax not produced over the head to a marked degree. 

 e\ Flagellate antennal segments of the male binodose. 

 /\ Basal clasp segment unarmed. 



Sr\ Style not expanded apicad and with the sides not strongly 

 chitinized. 

 h\ Third vein uniting with the margin well beyond the apex ; 

 wings long or rather long. 

 i\ Female with 3 circumfila on the flagellate antennal 

 segments; ovipositor as long as the body. 



Pseudhormomyia Kieff. 

 f. Female v/ith 2 circumfila on the flagellate antennal 



segments; ovipositor not long Dyodiplosis Riibs. 



h\ Third vein uniting with the margin before or near the 

 apex, wings rather short, broad; flagellate antennal 

 segments of the male binodose and with very short 

 stems or cylindrical; male antennse about as long as 



the body; ovipositor short Caryomyia Felt. 



g'. Style expanded apicad and with the sides strongly chit- 

 inized. 

 h^. Dorsal plate triangularly emarginate; ventral plate long, 

 broad, broadly and roundly emarginate. 



Massalongia Kieff. 

 /^ Basal clasp segment with a spine mesially. 



g^. Pulvilli very small Microplecus Kieff. 



g'. Pulvilli nearly as long as the claws Holodiplosis Kieff. 



e'. Flagellate antennal segments of the male cylindrical, at least 



some. 



f. Third vein uniting with the margin near the apex; wings 



rather short, broad; male flagellate antennal segments 



binodose, with short stems or cylindrical; male antennae 



about as long as the body; ovipositor short. 



Caryomyia Felt. 

 g\ Circumfilar loops with a length equal to the diameter of the enlarge- 

 ment or longer. 

 d\ Wings hyaline. 



e\ Basal clasp segment lobed. 



p. Genitalia very long, slender, the length equal to two-thirds 



that of the abdomen Ischnodiplosis Kieff. 



f. Genitalia moderate in size; ventral plate chitinized and den- 

 ticulate Odontodlplosis Felt. 



e^ Basal clasp segment not distinctly lobed. 



f. The third vein uniting with the margin before or at the apex 

 of the wing. 

 g''. Dorsal half of each eye segregated from ventral half and 

 uniting on vertex to form a third eye group. 



Trisopsis Kieff. 

 g'. Eyes normal and not so widely separated. 

 /i.\ Claws a little longer than the pulvilli. 



i\ Terminal clasp segment slender and smooth; dorsal 



