232 NEW YORK STATE MUSEUM 
aa Fifth antennal segment having the basal portion of the stem with a length 
two and one-half or three times that of the diameter 
bob Abdomen paleiorangen ci sail ctv. fle americana Kelt, C. 451, 660 
bb Abdomen fuscous yellowish................. montana Felt, C. 718 
Odontodiplosis karnerensis Felt 
1907, elt, EP. N.Y. State: Must Bul 10, \p) 41; separate. sud > 
(Cecidomyia) 
1908 ————— N. Y. State Mus. Bul. 124, p. 404 
This dark-brown male was taken May 16, 1906 at Karner, N. Y. 
Male. Length .75 mm. Antennae one-half longer than the body, 
thickly clothed with fine hairs, light brown; fourteen segments, the 
fifth (fig. 51a) with stems one and one-half and two and one-half 
times their diameters, respectively. Palpi (fig. 516), the first seg- 
ment short, the second narrowly oval, the third one-half longer 
than the second. Mesonotum dark brown with a silvery luster. 

Fig. 51 Odontodiplosis karnerensis: a, fifth antennal segment of male 
the setae not sketched in; 6, palpus of male; c, side view of apex of the distal 
tarsal segment and claws (enlarged, original) 
Scutellum reddish, postscutellum dark brown. Abdomen reddish 
yellow, sparsely ornamented with rather coarse hairs. Wings 
(pl. 16, fig. 1) hyaline, costa reddish brown; halteres whitish trans- 
parent. Legs semitransparent, yellowish brown, tarsi variably 
reddish, light or dark brown; claws (fig. 51c) slender, strongly curved, 
simple. Genitalia; basal clasp segment long, slender, a basal lobe 
thickly clothed with stout, rather long setae; terminal clasp segment 
abruptly swollen at base, slender; dorsal plate broad, very deeply 
emarginate, the lobes well separated, broadly triangular, the apex 
broadly rounded; ventral plate narrow, tapering, broadly rounded. 
Harpes presumably broad, slightly excavated internally, the broadly 
rounded posterior margin with a series of large triangular chitinous 
teeth; style long, slightly curved at the distal fourth, broadly rounded. 
Type Cecid. 27. 
