44 DIPTERA OF NORTH AMERICA. [PART II. 



16. D. spleinlidais Loew. % . — Aeneo-viridis, laetissime cupreo mi- 

 cans, pedibus fiavis, coxis anticis tibiisque posticis totis concoloribug, 

 antennis tarsisque posticis nigris, ciliis oculorura infeiioribus tegula- 

 rumque ciliis flavicantibus. 



£ . Tarsis anticis modice elongatis, articulo ultimo dilatato atro, femoribus 

 posticis confertim flavido-ciliatis. 



9 



Metallic-green, with a brilliant coppery-red reflection ; feet and fore coxae 

 yellow, hind tibiae not darker at the tip ; antennae and hind tarsi black ; 

 cilia of the inferior orbit and of the tegulae yellowish. 



% . Fore tarsi but moderately elongated ; the enlarged last joint black ; 

 hind femora closely ciliated with yellowish. 



9 Long. corp. 0.24. Long. al. 0.23—0.24. 



Syn. Dolichopus splendidus Loew, Neue Beitr. VIII, 14, 9. 



Bronze-green, with a brilliant coppery-red reflection, very 

 bright. Face pale-yellowish. Antennae entirely black ; the third 

 joint short-ovate. Front bright green with a coppery-red reflec- 

 tion. Cilia of the inferior orbit pale yellowish. Upper side of 

 the thorax with an almost purplish spot on each side before the 

 transverse suture. Lamellae of the hypopygium dingy whitish, 

 rather large and of an oval form, on the upper and apical margin 

 narrowly bordered with black, on the latter jagged and fringed 

 with black bristles. The four posterior coxae blackish, yellow only 

 at the extreme tip. Fore coxse entirely yellow, beset upon their 

 anterior side with rather minute black hairs, which do not reach 

 to their base. Feet yellow. Hind femora before the tip with a 

 bristle and upon the greater part of their under side closely 

 ciliated with very long yellowish hairs. Hind tibiae although 

 stout, but not exactly thickened, without hairs upon the anterior 

 half of the hind side. Fore tarsi not quite 1^ times the length < f 

 the tibiae ; the four first joints yellow ; the first to the third stalk-like, 

 still not quite as slender as in the previous and in the three fol- 

 lowing species ; the fourth joint somewhat broader, particularly 

 towards its tip ; the first joint nearly as long as the three following 

 taken together, the third somewhat shorter than the second and 

 the fourth distinctly shorter than the third ; the fifth joint black, flat- 

 tened, broad, particularly towards its tip, still by far not as large as 

 in D. batillifer ; upon its upper margin it is beset with appressed 

 minute black hairs. Middle tarsi blackened from the tip of the 

 first joint ; hind tarsi entirely black. Cilia of the tegulae whitish. 

 Wings hyaline, a little grayish, of a rather equal breadth ; the 



