l6o NEW YORK STATE MUSEUM 



Kalodiplosis floridana Felt 



1915 Felt, E. P. Can. Ent., 47:230-31 



The species, detailed descriptions of which are given in the above 

 citation, was collected August 22, 1914 on sea grape (Coccoloba) at 

 Miami, Fla., by W. W. Yothers and forwarded by Dr Frederick 

 Knab. 



peridiplosis n. g. 



This genus may be separated from other trifili having all the 

 claws unidentate by the triarticulate palpi, the somewhat indistinct 

 constrictions in the flagellate antennal segments of the male, specially 

 the almost obsolete basal portion of the stem and the distinct and 

 characteristic lobe at the internal basal angle of the basal clasp 

 segment. Type Cecidomyia quercina Felt. 



Peridiplosis quercina Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 137; separate, p. 41 

 (Cecidomyia) 



1908 N. Y. State Mus. Bui. 124, p. 300-1, 394 (Dicrodiplosis) 



This reddish brown, peculiar midge was reared March 6, 1893 at 

 Augusta, Ga., presumably from oak. 



Fig. 62 Peridi- 

 plosis quercina, 

 fifth antennal segment 

 of male (enlarged, orig- 

 inal) 



Male. Length 1.5 mm. Antennae one-fourth longer than the 

 body, thickly haired, light brown, 14 segments, the fifth with stems 

 one-fourth and one-half their diameters, respectively; basal enlarge- 

 ment pyriform, distal enlargement narrowly oval. Circumfili moder- 



