440 PROCEEDTXOS OF THE NATIONAL MUSEUM. vol. 46. 



though with very obscure reticulate lines under high magnification. 

 Wings hyaline; the stigmal vein slightly clavate, with a distinct 

 short uncus above the apex. 



Color dark aeneous, nearly black; antennal scape pale; pedicel and 

 flagellum brownish black; all femorae black; apices of all femoras, all 

 tibise, and tarsi pale yellowish. 



Male. — Antennal scape shorter than in the female, slightly swollen 

 and black; antennal ring-joint prominent, about as long as wade, first 

 flagellar joint longer than the pedicel (antennae broken off at the 

 second flagellar joint); abdomen shorter and narrower than the 

 thorax; otherwise the male differs from the female only in the usual 

 sexual characters. 



Type-locality. — Lakeland, Florida. 



Type.— Cixt. No. 16358, U.S.N.M. 



Host. — Coccinella sanguinea. 



Twenty specimens from the type-locality reared by G. G. Ainslie 

 and recorded under Webster No. 5252 I, Bureau of Entomology, 

 United States Department of Agriculture. 



Su-bfamily ETILOFHIISr^E:. 

 SYMPIESIS AGROMYZ^, new species. 



Female. — Length 1 .6 mm. to 2 mm. Head bluish, with some slight 

 brassy reflections; thorax bright brassy-green; antennae blackish, 

 the scape pale at base; legs, including all coxae, pale yellowish, the 

 apical tarsal joints brownish; wings hyaline and rather thickly 

 ciliated; abdomen bluish or brownish black, often more or less tes- 

 taceous basally above and below. 



Funicle joints 1 and 2 subequal, more than twice as long as the 

 pedicel and slightly longer than joints 3 and 4 of the funicle; club one 

 and a half times the length of the last funicle joint; occiput with very 

 faint reticulate sculpture, the rest of the head smooth and polished; 

 cljrpeal region sometimes very faintly sculptured. Thorax shining; 

 the prothorax and mesoscutum sparsely covered with long hairs, with 

 faint scale-like sculpture, less pronounced on the lateral lobes of the 

 latter; mesoscutellum with much more distinct reticulate sculpture; 

 metanotum nearly smooth; propodeum perfectly smooth, with a 

 short but distinct neck and liighly polished, with very distinct median 

 and lateral carinae and a transverse carina before the apex; marginal 

 vein distinctly longer than the postmarginal, the latter about two and 

 a half times as long as the stigmal, which is clavate, with a short but 

 distinct uncus above and before the apex. Abdomen smooth, pol- 

 ished, as long as the head and thorax or slightly shorter, and with a 

 short but distinct petiole. 



Type-locality. — Lakeland, Florida. 



Type.~C&t. No. 16359, U.S.N.M. 



Host. — Agromyza parvicornis. 



