138 NEW YORK STATE MUSEUM 



Male. Length 1.25 mm. Antennae one-fourth longer than the 

 body, thickty haired, light fuscous yellowish basally; fourteen seg- 

 ments, the fifth with stems each having a length two and one-half 

 times their diameter; distal enlargement pyriform, with a length 

 one-half greater than its diameter; terminal segment having the 

 distal enlargement with a length three times its diameter, the apex 

 obtusely rounded. Palpi; first segment quadrate, the second nar- 

 rowly oval, with a length twice its diameter, the third a little longer, 

 more slender, the fourth shorter, slightly dilated. Face yellowish. 

 Mesonotum dark brown, the submedian lines yellowish. Scutellum 

 and postscutelliim fuscous yellowish. Abdomen light carmine, the 

 dorsum of the second and third abdominal segments variably fus- 

 cous. Wings hyaline, costa light browTi; halteres light fuscous. 

 Legs light fuscous straw, the distal tarsal segments darker; claws 

 slender, strongly curved, the pulvilli as long as the claws. Geni- 

 talia; basal clasp segment slender; terminal clasp segment slender; 

 dorsal plate deeply and triangularly emarginate, the lobes narrowly 

 and obliquely truncate; ventral plate short, broadty rounded, style 

 short. Type Cecid. aisyya. 



Lestodiplosis flavomarginata Felt 



1907 Fe.'t, E. P. N. Y. Slate Mus. Bui. no, p. 138; separate, p. 42 

 (Cccidomyia) 



1908 N. Y. State Mus. Bui. 124, p. 408 



The light-brown male was taken June 1, 1906 on white clover, 

 Trifo'lium repens,at Albany, N. Y. 



Male. Length .75 ituh. Antennae one-half longer than the body, 

 thickly haired, light brown; fourteen segments, the fifth with stems, 

 each having a length three and one-half times their diameter; distal 

 node with a length equal to its diameter. Palpi; the first segment 

 suboval, the second twice the length of the first, elongate, oval, the 

 third about the same length, more slender, the fourth a little shorter 

 than the third, slightly expanded distalty. Mesonotum yellowish 

 brown, the broad median area thickly clothed with yellowish hairs. 

 Scutellum reddish, the postscutellum probabl}^ concolorous. Abdo- 

 men light brown, anterior segments margined posteriorly with yel- 

 lowish, posterior segments reddish. Wings hyaline, costa light 

 brown; halteres reddish transparent basally, somewhat fuscous 

 apically. Coxae yellowish transparent, tinged with reddish apically ; 

 femora yellowish transparent, tibiae slightly darker, tarsi light 

 brown; claws slender, evenly curved. Genitalia; basal clasp segment 

 very long, slender; terminal clasp segment slightly swollen basally; 

 dorsal plate broad, deeply incised, the lobes broadly rounded; ventral 

 plate narrow, broadly rounded; style very long. Type Cecid. 109. 



Lestodiplosis grassator Fyles 



1882 Fyles, T. W. Can. Ent. 14:237-39 (Diplosis) 



1883 Ent. Soc. Ont., 14th Rep't, p. 30-31 (Diplosis) 



