GO JouRXAL Xew York Entomological Society. [Vol. xix, 



nyms : Lcptodiplosis Kieff. ; Coprodiplosis Kieff. Europe, North 

 America. 



Genus PROCONTARINIA Kieff. and Cec. 1906, type P. mattciaua Kieff. 



and Ccc. 



This Indian species may be separated from tlie preceding genus 

 by the basal lobe on the basal clasp segment not being well developed ; 

 the ventral plate is long, broad, broadly and roundly emarginate. Asia, 



Genus PARADIPLOSIS Felt 1908, type Cecidomyia obesa Felt. 

 Distinguished from the preceding four genera by the basal clasp 

 segment being without conspicuous lobes or spines. This structure is 

 short, broad, while the terminal clasp segment is short, stout and 

 apically with a broad, chitinized, serrate margin; dorsal and ventral 

 plates short, broad, each triangularly emarginate. North America. 



Genus HARMANDIA Kieff. 1896, type Diplosis tremula Winn. 

 Separated from the preceding genus by the dorsal and ventral 

 plates being deeply and roundly emarginate ; the ovipositor is appar- 

 ently short. Europe. 



Genus MACRODIPLOSIS Kieff. 1895, type Diplosis dryobia F. Lw. 

 Separated from the two preceding genera by the dorsal and ven- 

 tral plates being narrowly rounded or but slightly emarginate; the 

 terminal clasp segment is swollen basally, the apex being smooth. 

 Kieffer states that the third and fourth antennal segments are not 

 fused and that the pulvilli are almost as long as the claws. Europe. 



Genus XYLODIPLOSIS Kieff. 1894, type Diplosis pracox Winn. 



A synonym of Cecidomyia nigritarsis Zett. 



The dorsal plate is triangularly emarginate and the ventral plate 



broadly and roundly emarginate. Separated from the following genus 



by the rudimentary pulvilli and the long terminal clasp segment, the 



latter not swollen basally. Europe. 



Genus DELODIPLOSIS Tav. 1908, type D. copaiba Tav. 

 Distinguished from the preceding genus by the pulvilli being as 

 long as the claws and the terminal clasp segment being swollen 

 basally. Africa. 



Genus BRACHYDIPLOSIS Riibs. 1910, type B. caricum Riibs. 

 The following three genera are separated from the preceding forms 

 by the long ventral plate, which, in this genus, is emarginate. The 



