xiii, D, 6 Felt: New Philippine Gall Midges 319 



h'. The lobe triangular. 

 f. Anterior legs with the underside of tibia and the first 

 two tarsal segments with erect groups of hairs. 



Lamprodiplosis Kieff. 

 'P. Anterior legs without conspicuous groups of hairs. 



f. Wings spotted lestodiplosis Kieff. 



f. Wings not spotted Coprodiplosis Kieff. 



f. Basal clasp segment not conspicuously lobed. 



g^. Basal enlargement of the trinodose flagellate antennal 



segments with two circumfila, the distal with but one. 



h^. Ventral plate sublinear, tapering, rounded apicad and 



much longer than the dorsal plate.... Xenodiplosis Felt. 



g'. Anterior femur of the male plainly enlarged, it being three 



times the size of the tibia. 



h^. Terminal clasp segment as long as the basal; ovipositor 



long, with a conical, fleshy apex Eumerosema Kieff. 



g^. Antennal segments plainly trinodose. 



/(\ Dorsal plate divided, its lobes orbicular. 



Obolodiplosis Felt. 



g\ Antennal segments short, thick, the stems transverse, the 



enlargements short, broad. 



h^. Circumfila fine, rather short, each with numerous (about 



20) loops; genitalia moderately stout, dorsal and 



ventral plates bilobed Retinodiplosis Kieff. 



g". Without the striking characters listed under g^ to g\ 

 h}. Ventral plate linear, rounded apically. 



t-. Dorsal plate much shorter than the ventral plate, the 



lobes truncate Parallelodiplosis Riibs. 



i'. Dorsal plate longer than the ventral plate. 



Blastodiplosis Kieff. 

 h'. Ventral plate long, spatulate. 



a^. Dorsal plate moderately long, broad, deeply and tri- 

 angularly emarginate, the lobes broad, obliquely 



and roundly emarginate Hjrpodiplosis Kieff. 



/r. Ventral plate greatly produced and lobed. 



i^. Ventral plate broadly and roundly emarginate, the lobes 



diverging and broad Brachydiplosis Riibs. 



i'. Ventral plate triangularly emarginate, the lobes 



triangular, the ovipositor short Eudiplosis Tav. 



i?. Ventral plate divided, the lobes very long and spatulate. 



Styraxdiplosis Tav. 

 h*. Ventral plate broad and broadly or triangularly emar- 

 ginate. 

 z*. Lobes of the ventral plate linear and parallel. 



f. The male with 14 and the female with 13 antennal 

 segments; claws almost equal to the pulvilli; 

 ovipositor long and filiform. 



Delodiplosis Tav. 



f. Male and female with 14 antennal segments; claws 



as long as the pulvilli; ovipositor stout and long. 



Phyllodiplosis Kieff. 



