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NEW YORK STATE MUSEUM 



and tapering to a narrowly rounded apical process. Palpi; the 

 first segment short, narrowly oval, the second a little longer, the 

 •third about as long as the second, the fourth nearly twice the length 

 of the third. Mesonotum dark brown, the submedian lines thickly 

 haired. Scutellum pale yellowish, postscutellum darker. Abdomen 

 light brown (deep red in a living specimen), sparsely haired. Wings 

 hyaline, costa light brown. Halteres yellowish basally, reddish 

 brown apically. Coxae and base of femora pale yellowish, distal 

 portion of femora, tibiae and tarsi mostly reddish brown, the two 

 latter somewhat darker apically; claws long, stout, strongly curved, 

 the pulvilli about half the length of the claws. Genitalia; dorsal 

 plate long, broad, deeply and triangularly incised, the lobes obliquely 

 truncate; ventral plate long, broad, truncate. 



Fig. 41 Theco- 

 diplosis anan- 

 as s a , fifth anten- 

 nal segment of male 

 (enlarged, original) 



Fig. 42 T h e c o d i - 

 plo sis anan assa , 

 fifth antennal segment 

 of female (enlarged, 

 original) 



Female. Length 1.75 mm. Antennae extending to the fifth 

 abdominal segment, sparsely haired, light brown; 14 segments, 

 the fifth mth 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 liriodendri O. S. 



1862 Osten Sacken, C. R. Men. 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. Bui., 4: 265 (Cecidomyia) 

 1904 Am. Mus. Nat. Hist. Guide Leaflet 16, p. 25 (Cecidomyia) 



