gO NEW YORK STATE MUSEUM 


enlarged distally, the second one-half longer, broadly oval, the third: 
one-fourth longer than the second, more slender, and the fourth 
about one-fourth longer than the third, more slender; face yellowish. 
Mesonotum dark brown. Scutellum reddish, postscutellum fuscous 
mesially, yellowish laterally. Abdomen yellowish red, fuscous later- 
ally. Wings hyaline, costa light reddish. Halteres yellowish at 
base, fuscous apically. Coxae, femora and tibiae pale yellowish, 
tarsi yellowish or variably suffused with carmine; claws stout, 
uniformly curved. Genitalia; basal clasp segment short, stout; 
terminal clasp segment much swollen at the basal third; dorsal 
plate short, broad, deeply and narrowly incised, the lobes obliquely 
truncate; ventral plate deeply and triangularly emarginate, the lobes” 
broadly rounded. Type Cecid. 61. (See plate ro, fig. 1) 
Lobopteromyia tiliae Felt 
1907 Felt, E.P. N. Y. State Mus. Bul. 110, p. 161 (Contarinia) 
1003 NP Ye otaitemVitiSa Sb dl24 se OO 
This light-brown male was taken May 16, 1906 on basswood, 
Dilkiva americana , at Karer, N.Y: 
Male. Length 1.5 mm. Antennae a little longer than the body, 
thickly fine haired, light brown; 14 segments, the fifth with stems 
one-half and three times their diameters respectively; terminal 
segments with the basal enlargement slightly produced and rather 
narrowly separated from the prolonged, fusiform distal enlargement, 
which latter has an acute apex. Palpi; the first segment short, 
subquadrate, second a little longer, stout, swollen distally, the third 
oval, a little longer than the second, the fourth a little longer than 
the preceding and the fifth one-half longer than the fourth. Meso- 
notum dark brown. Scutellum orange brown. Abdomen light brown. 
Wings hyaline, costa reddish;- halteres yellow and reddish trans- 
parent. Legs, coxae, femora and tibiae mostly yellowish transparent, _ 
extremity of tibiae and tarsi with a distinct reddish cast: claws stout, 
strongly curved, simple. Genitalia; basal clasp segment stout; 
terminal clasp segment stout; dorsal plate broad, deeply emarginate, 
the lobes truncate; ventral plate broad, deeply emarginate, lobes 
obliquely rounded. Type Cecid. 25. (See plate 6, fig. 5) 
Lobopteromyia caricis Felt 
1908 Felt, E.P. N.Y. State Mus. Bul. 124, p. 390 
The male is light brown and was taken May 16, 1906 on sedge, 
Carex stricta, at Karner, N. Y. 
Male. Wength 1.66 mm. Antennae nearly as long as the body, 
thickly fine haired, light brown; 14 segments, the fifth with: stems 
one-half and two and one-half times their diameters respectively, 
the distal enlargement broadly fusiform. Palpi; the first segment 
short, stout, subquadrate, the second one-half longer, roundly sub- 
