126 NEW YORK STATE MUSEUM 
and tapering to a narrowly rounded apical process. Palpi; the 
first segment short, narrowly oval, the second a little longer, th« 
third about as long as the second, the fourth nearly twice the lengtl 
of the third. Mesonotum dark brown, the submedian lines thickly 
haired. Scutellum pale yellowish, postscutellum darker. Abdomer 
light brown (deep red in a living specimen), sparsely haired. Wing: 
hyaline, costa light brown. Halteres yellowish basally, reddist 
brown apically. Coxae and base of femora pale yellowish, dista 
portion of femora, tibiae and tarsi mostly reddish brown, the twe« 
latter somewhat darker apically; claws long, stout, strongly curved 
the pulvilli about half the length of the claws. Genitalia; dorsa 
plate long, broad, deeply and triangularly incised, the lobes obliquely 
truncate; ventral plate long, broad, truncate. 

Seas : Vy 
Fig. al Theco- Fig. 42 Thecodi- 
diplosis anan- plosis ananassa, 
assa, fifth anten- fifth antennal segment 
nal segment of male of female (enlarged 
(enlarged, original) original) 
Female. Length 1.75 mm. Antennae extending to the fifth 
abdominal segment, sparsely haired, light brown; 14 segments, 
the fifth with a stem one-fourth the length of the basal enlargement, 
which latter has a length thrice its diameter and is strongly constricted 
near the basal third; terminal segment produced, tapering to a nar- 
rowly rounded apex. Palpi; the first segment short, stout, the second 
one-half longer, stouter, the third as long as the second, more slender, 
the fourth one-half longer than the third, more slender. Ovipositor 
probably nearly as long as the abdomen, otherwise nearly as in the 
male. Type Cecid. 926. : 
Thecodiplosis liricdendri O. S. 
1862° Osten Sacken, C.R. Mon. Dipt. N. A., 1:202 (Cecidomyia) 
1889 Jack, J.G. Garden & Forest, 2:604-5 (Cecidomyia) 
1890 Riley, C. V. & Howard, L. O. Ins. Life, 2: 362-63 (Diplosis) 
1892 Beutenmuiler, William. Am. Mus. Nat. Hist. Bul., 4: 265 (Cecidomyia) 
1904 —————— _ Am. Mus. Nat. Hist. Guide Leaflet 16, p. 25 (Cecidomyia) 
