THE CANADIAN ENTOMOLOGIST 43 



Paratypes, 9, Virginia, near Plummer's Island; July 14, 1915 

 (McAtee). 2 9 's. Great Falls, Virginia; Aug. 11, 1915, Oct. 3, 1915 

 (McAtee). 



The type is in the collection of the Union States Biological 

 Survey, the paratypes are in the National Museum and the collec- 

 tion of the author. 



Tribe Antochini. 

 Genus Teucholahis Osten Sacken. 



Teucholabis lucida, sp. n. 



Male — Length 3.5-4.1 mm.; wing 4.2-4.5 mm. 



Rostrum and palpi black. Antennae black. Head black with 

 a thick light gray pubescence. 



Pronotal scutum dark brownish black, the caudal margin 

 paler, brown; scutellum pale yellowish white, interrupted medially 

 above by a brownish depression. Mesonotal prsescutum shiny 

 black, pilose medially behind, the usual pale interspaces represented 

 only by a small reddish brown area in front, just proximad of the 

 pseudosutural fovese, and a yellow median patch behind ; scutum 

 black shiny, with the median area in front pale yellow and with a 

 short, pale pilosity; scutellum dull yellow, more grayish basally; 

 postnotum black Avith a gray pile. Pleura light yellowish white 

 with a broad black band extending from behind the pronotum 

 beneath the wings to the base of the abdomen; a large rounded 

 black spot on the sternum just before the middle coxae and a smaller 

 patch just behind these coxae; mesosternum suffused with lemon- 

 yellow. Halteres short, pale brown. Legs with the coxie and 

 trochanters pale testaceous; femora light yellow, the apex broadly 

 blackened and slightly enlarged; tibiae and tarsi dark brown, the 

 former sometimes paler and narrowly tipped with blackish. Wings 

 narrow, hyaline; stigmal spot brown, rounded, conspicuous. 



Abdominal tergites black, the segments narrowly ringed with 

 dull reddish yellow on the caudal margin; sternites blackish on the 

 basal half, paler, yellowish, caudally. 



Holotype, cf, Dalecarlia Reservoir and outlet, District of 

 Columbia; Aug 22, 1915 (McAtee). 



Paratypes, Icf ; 1, sex uncertain, topotypic. 



The type is in the collection of the United States Biological 

 Survey, paratypes in the collection of the author. 



