March, 1911.] Felt: Generic Synopsis of Itonid^. 



39 



Genus WINNERTZIA Rond. i85o, type Asynapta lugubris Winn. 

 Four long veins, the fifth simple, the sixth free, the cross-vein 

 forming a considerable angle with costa. Antennal segments 13 or 

 14, the circumfili in both sexes forming horseshoe-like structures on 

 opposite faces of each segment. Synonym: ClinorhisaK\efi. Europe, 

 North America, South America, Australia. 



Genus GONIOCLEMA Skuse 1888, type G. paiixillula Skuse. 

 Apparently closely allied to the preceding genus and separable 

 therefrom by the fifth vein being obsolete basally and apically. 

 Australia. 



Genus DIALLACTES Kieff. 1894, type D. croceus Kieff. 

 A large form easily separated from the preceding by the fifth vein 

 arising from the third vein near the cross-vein. Europe. 



Genus BRYOCRYPTA Kieff. 1896, type B. dnbia Kieff. 

 Three long veins, the cross-vein oblique, the fifth forked, close 

 to the posterior margin and uniting therewith near the basal half. 

 The wings are not very long and narrow and the terminal clasp seg- 

 ment is short. Europe. 



Genus DIDACTYLOMYIA, new genus, type Colpodia longimana Felt. 

 Easily distinguished from the preceding by the fifth vein not being 

 close to the posterior margin and uniting therewith near the distal 

 fourth. The terminal clasp segment is greatly produced and slender. 

 North America. 



Genus LIEBELIOLA Kieff. & Jorg. 1910, type L.,prosopidts 

 Kieff. & Jorg. 

 Provisionally placed next Didactylontyia from which it is easily 

 separated by the presence of a supernumerary vein at the base of 

 subcosta and the simple claws ; ovipositor short. South America. 



Genus COLOMYIA Kieff. 1891, type C. clavata Kieff. 

 Antennal segments 21 in the male, the fifth with a stem one half 

 longer than the basal enlargement; female antennae with 30 to 31 

 segments, the fifth with a stem as long as the basal enlargement; 

 palpi biarticulate. Separated from the two preceding genera by the 

 simple fifth vein. Europe. 



