324 The Philippine Journal of Science 



c". Circumfila not apparently doubled in the male and female, 

 d*. Wings hyaline. 



e\ Fourteen antennal segments in both sexes, the third and fourth 

 not fused, the basal and distal enlargements globose and 

 pyriform, respectively; dorsal and ventral plates deeply 

 emarginate; ovipositor short, chitinous, falcate. 



Monarthropalpus Riibs. 



e^ Fourteen antennal segments, the fifth in the female ^vith a stem 

 one-third the length of the basal enlargement, vs^hich has a 

 length two and one-half times its diameter; third and fourth 

 antennal segments free; ovipositor stout, with a length one- 

 half that of the abdomen, the distal part thickly clothed 

 with long, silky hairs; male with moderately short circumfila, 

 the fifth antennal segment having stems the length of which 

 is twice the diameter; dorsal plate deeply, and ventral plate 

 broadly, emarginate Onodiplosis Felt. 



e'. Thirteen antennal segments in the female, the third and fourth 

 fused, the basal and distal nodes globose and ovoid, respect- 

 ively; dorsal and ventral plates bilobed; ovipositor short, 



chitinous, needlelike Cystodiplosis KiefF. 



d-. Wings black and yellow marked. 



e\ Basal and distal enlargement of the ilagellate antennal seg- 

 ments globose and cylindrical, respectively; harpes forming 

 a spinose, chitinous tube surrounding the style; ovipositor 

 short, its lobes lanceolate Astrodiplosis Felt. 



