40 Journal Xew York Entomological Society. [\'oi. xix. 



Genus PALEOCOLPODIA Meun. 1904, type P. eocenica Meun. 

 Antcnnal segments 16, the fifth with a stem as long as the basal 

 enlargement. Wings long, narrow, cross-vein at ahnost right angles 

 to costa, the fifth vein simple, the sixth wanting. Amber. 



Genus COLPODIA Winn. 1853, type C. angustipennis Winn. 

 Small species with extremely long, slender wings. Distinguished 

 from the preceding genus by the forked fifth vein. Europe, North 

 America, Australia. 



Genus ASYNAPTA H. Lw. 1850, type Cecidomyia longicoUis H. Lw. 



Cross-vein nearly parallel with costa; four long veins, the fifth 

 simple, the sixth free. Antennal segments 16 or more; pulvilli single, 

 longer than the claws. Europe, North America, Australia. 



Genus CLINORHYTIS Kieff. 1896, type C. fiavitarsis Kieff. 

 Distinguished from the preceding genus by the 14 antennal seg- 

 ments, the three pulvilli being shorter than the claws. Europe, North 

 America, Australia. 



Genus RUEBSAAMENIA Kieff. 1894, type Asyuapta pectoralis Winn. 



Antennal segments of male probably 16, the fifth with a stem 

 one half the length of the basal enlargement; the female with numer- 

 ous sessile antennal segments, each with a length about equal to its 

 diameter. Palpi quadriarticulate ; ovipositor as long as the body. 

 Venation as in the two preceding genera, from which it is distin- 

 guished by the abdomen being recurved dorsally. Europe. 



Genus DICERURA Kieff. 1897, type D. scirpicola Kieff. 

 Venation similar to that of Asynapta H. Lw. except that the fifth 

 vein is obsolete basally. Antennal segments 16, the fifth of the male 

 with a stem one half longer than the basal enlargement. Palpi quad- 

 riarticulate. Ovipositor of the female short, biarticulate. Svnonym : 

 Iridomyza Riibs. 1899. Europe. 



Genus PORRICONDYLA Rond. 1840, type Cecidomyia albitarsis Meign. 

 Three long veins, the fifth forked. Antennal segments greatly 

 produced in both sexes, 12-16; palpi quadriarticulate. Synonyms: 

 Epidosis H. Lw. 1850; Dicroiiciinis Kieff. 1895. Europe, North 

 America, Australia. 



