XIII, D, 6 Felt: New Philippine Gall Midges 297 



c\ Subcosta and third vein distinctly united as though by a very 

 short cross vein. The fork formed by the two branches of the 



fourth vein even Microcerata Felt. 



c'. Subcosta and third vein not fused and with no trace of a cross 

 vein. 

 (f. Fork of the fourth vein with the two branches even. 



Konisomyia Felt, 

 cf. Fork of the fourth vein with the branches irregular. 



Tritozyga H. Lw. 

 6'. Second antennal segment normal. 



c*. Flagellate segments not greatly reduced Neptimimyia Felt. 



c'. Flagellate segments sessile, with a length only a little greater than 

 the diameter Neocatocha Felt. 



CAMPYLOMYZARI./E 



Key to the genera* 



a^. Wingless or, if wings are present, the fifth vein simple. 

 6\ Claws with long, parallel teeth, the pulvilli very short. 



Strobile 11a Kieff. 



6'. Claws denticulate, the pulvilli absent Wasmanniella Kieff. 



6'. Claws simple > Pezomyia Kieff. 



a^ Winged, fifth vein forked. 



6\ Third vein usually well separated from costa and frequently uniting 

 therewith at or beyond the apex, 

 c^. Flagellate antennal segments globose, stemmed in both sexes and 

 ornamented only with whorls of long hairs. 

 (P. Fourth vein present. 



e^. Palpi tri- or quadriarticulate. 

 f. Wings normal, slender, antennal segments, male 14, female 11. 



Joannisia Kieff. 

 f. Wings broad, not twice as long as wide, antennal segments, 



female 12 > Projoannisia KiefiF. 



e^ Palpi biarticulate, the male with 14 and the female with 13 

 antennal segments, the claws strongly bent, dilated sub- 



apically Peromyia Kieff. 



d?. Fourth vein wanting. 



e^. Antennal segments stemmed Trichopteromyia Will. 



e^ Antennal segments sessile, the second enlarged, globose; palpi 



triarticulate Ceratomyia Felt. 



c^ Flagellate antennal segments with the enlargement transverse and 



bearing a whorl of stemmed disks Xylopriona Kieff. 



c'. Flagellate antennal segments cylindric, subsessile. 



(f. Male with 12, female with 9 antennal segments, fourth vein 



rudimentary, obsolete distad Mycophila Felt. 



dl Female with 18 segments, the enlargements of the flagellate seg- 

 ments with a whorl of 4 awl-shaped appendages. 



Tetraxyphus Kieff. 



♦Revised from Bull. N. Y. State Mus. (1913), No. 165, 154, 55. 



167348 2 



