160 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. Bul. 110, p. 137; separate, p. 41 
(Cecidomyia) 
1908 ——————._ NN. Y. State Mus. Bul. 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- 
