56 Journal Xew York Entomological Society. [\'oL xix. 



stout, with a length about three times its width, distinctly expanded at both 

 extremities, the anterior having at the widely separated lateral angles an 

 indistinct, broadly rounded tooth. Skin rather coarsely shagreened ; posterior 

 extremity narrowly rounded and broadly lobed. 

 Type Cecid. a2i28, N. Y. State Museum. 



Reared by William H. Pattersons of the Agricultural School, St. 

 Vincent, W. I., from larv?e preying upon the eggs of Saissetia nigra 

 Nietn., frequently abundant upon stems of Sea Island cotton. South 

 America. 



Genus CALAMODIPLOSIS Riibs. 1910, type CUuodiplosis coriscii Kieff. 



Provisionally proposed because of the tubular ventral plate, assum- 

 ing Kieffer's illustration to be accurate. Europe. 



Genus CARYOMYIA Felt 1909, type Cccidomyia fiibicola O. S. 



Antennal segments 14, cylindric or binodose, the circumfili with 

 short loops. Palpi tri- or quadriarticulate. Claws simple. Male 

 much as in Honnoriiyia. Ovipositor short, triangular, the lobes mi- 

 nute. North America. 



Genus MASSALONGIA Kieff. 1897, type Hormomyia rubra Kieff. 



Easily recognized by all the flagellate antennal segments in the 

 male being cylindric, stemmed and distinguished from the preceding 

 genus by the biarticulate pal])i ; ovipositor short, stout. Europe. 



Genus PRODIPLOSIS Felt 1908, type Cccidomyia floricola Felt. 

 Basal antennal segments binodose, the distal, tenth to fourteenth, 

 cylindric, stemmed; palpi quadriarticulate. Xorth America. 



Genus CENTRODIPLOSIS Kieff. & Jorg. 1910, type C. crassipes 

 Kieff. & Jorg. 



Distinguished from the preceding by the third antennal segment in 

 the male being cylindric, the others binodose; ovipositor aciculate. 

 South America. 



Genus MONODIPLOSIS Riibs. 1910, type DipJosis licbcli Kieff. 

 Flagellate antennal segments uninodose, ventral plate elongate, 

 emarginate. Europe. 



Genus GEISENHEYNERIA Riibs. 1910, type G. rlicnona Riibs. 

 Separated from the preceding by the ventral plate being scarcely- 

 longer than the dorsal plate, not much narrowed, deeply incised 

 apically. Europe. 



