FUNGUS GNATS OF NORTH AMERICA. 289 



Specimens of both sexes taken June-September at Ithaca, 

 N. Y., do not differ from the type in the museum at Cambridge. 

 Hypopvgium and wing as figured. (Figs. 99, 204). 



. ■ L / 



20. Lcia oiniiia Loew. "^ 



Berhn. Ent. Zeitschr. XIII. 145. 1869. ( Ghiphyroptcra). 



^lale and female. Length 3.8 mm.; wing 4.1 mm. Head 

 yellow, vertex and upper half of occiput fuscous; antennae fus- 

 cous, scape, first flagellar joint and palpi yellow. Thorax in- 

 cluding scutellum yellow; dorsum shining, on each side with 

 large, black, oval spot which is produced forward to the anterior 

 third of thorax leaving only a narrow yellow v'.tta in the center; 

 the metathoracic tubercles and the metanotum black. F'ile yel- 

 low, on the darker parts, dusky. Abdomen largely black, the 

 base of the second tergite and th.e anterior angles of the follow- 

 ing ones, the hypopygium (Fig. 100) and the venter, yellow. 

 Coxae and legs pale yellow, extreme apices of hind femora black, 

 tarsi excejit their bases, fuscous black. Wings dilutely cin- 

 ereous, veins fuscous ; the preapical fascia paler toward the 

 posterior margin ; a fuscous spot covers the base of the cross- 

 vein and the petiole of the me:Ha; another spot is behind Cu^; 

 (Fig. 205). Halteres yellow. "Connecticut;" Wis. and Wyo. 

 (W.M.W.); R. I. (J.B.); X. C. (W.B.) : ^Fass. fC.W.L) : 

 Maine; X. H. ; X. J., (Weidt). HX 



21. Lcia sublitnata Loew. 



Berlin. Ent. Ze;tschr. XIII. 145. 1869. ( Gla/ihyroptcra). 



Female. Length 4.3 mm ; wing 4.5 mm. Head yellow, ocelli 

 margined with black, middle one minute ; antennae subfuscous 

 toward the tip ; palpi pale yellow. Thorax yellow ; mesonotum 

 on- each side near the base of the wing and in front of it, with 

 a small black spot, metathoracic lobes sometimes margined with 

 subfuscous. Abdomen 3'ellow. first and sixth tergite with nar- 

 row black margin ; the 4 intermediate with wide fascia? which 

 are suddenly narrowed at the lateral margins; seventh wholly 

 yellow ; venter yellow. Coxae and femora pale yellow ; extreme 

 tip of hind femur black; tibiae and spurs yellow; tarsi except 

 their bases, fuscous black. Wings yellowish, veins fuscous, 

 toward the base in part yellowish ; near the tip with a slender 

 arcuate fascia ; Cu-' with a fuscous cloud behind it. ''X. Y." 



