212 DIPTERA OF NORTH AMERICA. [PART IV. 



B. Antennae of the male not perceptibly longer than those of the 

 female. 



S. L,. recondita, n. sp. % and 9 .— Flavo-ferruginea, nitens, an- 

 tennis utriusque sexus longitudine mediocri, verticillis longis ; alls 

 fusco-flavescentibus, stigmate concolori ; petiolo cellulse submarginalis 

 primse longo ; cellulis submarginall secunda et posteriori prima seque 

 longis. 



Yellowish-red, shining, antennre of moderate length in both sexes ; verticils 

 long; wings with a yellovTish-brown tinge; stigma of the same color ; 

 the petiole of the first submarginal cell is long ; the second submarginal 

 and first posterior cells are of the same length. Long. corp. 0.35 — 0.4 

 (sometimes smaller). 



Head yellowish-red or brownish, front shining, with some black 

 hairs ; palpi brown ; first joint of the antennae, and sometimes the 

 basis of the second, yellowish ; the remainder of the antennae 

 brownish, gradually darker towards the tip ; first two or three 

 joints of the flagellum rounded, the following elongated ; verticils 

 long ; bent backwards, the antennae would hardly reach the basis 

 of the wings. Thorax yellowish-red, or reddish-yellow, in some 

 specimens brownish-red ; it is more or less shining above and on 

 the pleurffi ; the humeri are not perceptibly paler than the rest 

 of the mesonotum ; the pleurte but slightly paler, also shining ; 

 halteres pale, sometimes faintly brownish. Feet yellowish-tawny, 

 faintly infuscated at the tips of the femora, of the tibiae, and of 

 the tarsi. Abdomen reddish- or yellowish-brown ; forceps of the 

 male of the same color; ovipositor long, slender, very slightly 

 arcuated. Wings with a yellowish-brown tinge ; stigma not 

 darker ; tip of the auxiliary vein slightly anterior to the inner 

 cud of the second submarginal cell, which is in one line with the 

 small cross-vein ; the latter gently arcuated ; praefurca as long as 

 the first posterior cell, straight, in one line with the petiole of the 

 first submarginal cell; this petiole is as'long as the anterior 

 branch of the second vein ; the oblique marginal cross-vein is 

 close at the basis of this anterior branch ; the great cross-vein 

 (slightly variable in its position) is usually about the middle of 

 the discal cell. 



Hah. New York, Pennsylvania, Georgia, etc. Twenty speci- 

 mens. 



The venation of this species is almost exactly like that of L. 

 tenuipes Say; the long verticils of the antennae, the length of the 



