Empididae. 197 



yellow marginal bristles. Pleiira black, shining. Abdomen likewise 

 blacii, shining, with wliitish yellow hairs. Venter similarly coloured 

 and haired, sometimes a little lighter at the base. Legs pale yellow, 

 hind femora dark brown on the apical half, but the apex again yel- 

 low, hind tibiæ brownish black, the base whitish yellow; the anterior 

 tarsi brownish, hind tarsi darker brown, the basal part of the meta- 

 tarsus yellow. The legs are short-haired with yellow hairs; the hind 

 femora have long, yellow hairs above in the basal part; on the 

 ventral side there are two rows of short, somewhat strong, black 

 spines on the apical part. Wings hyaline, slightly yellowish tinged. 

 Veins somewhat thick, brown or dark brown, the apex of the Iower 

 branch of the discai vein thin and evanescent, but it may be 

 traced to the margin. Stigma slightly yellowish, almost colourless, 

 at the inner end of it a small brown patch, and a similar at its 

 apex, which latter is produced down into the cubital cell, and a 

 very faint, band-like continuation downwards may be present. Halteres 

 yellow. 



Female. Similar to the male, but the eyes well separated, the 

 frons black shining. Ovipositor blackish, brownish yellow towards 

 the base. 



Length 3,5 m m, 



This species is at once recognised by the two patches on the 

 wing. 



Oe. hyhotina is very rare in Denmark, only three specimens, a 

 male and two females, have been taken; vicinity of Copenhagen (H. 

 J. Hansen), Dyrehaven (Drewsen) and on Lolland at Maribo (Schlick); 

 on the latter locality it was taken on ^'e. 



Gegraphical distribution: — Northern and middle Europe down 

 into France; towards the north to northern Sweden. 



2. Oe. flavipes Zett. 



1842. Zett. Dipt. Scand. I, 247, 3 et 1849. VIII, 2998, 3. — 1859. 

 Loew, Neue Beitr. zur Kenntn. der Dipt. VI, 48, 4. — 1903. Kat. palåarkt. 

 Dipt. II, 259. — Empis minuta: 1815. Fall. Dipt. Suec. Empid. 32, 40, 

 p. p. — Oedalea minuta: 1820. Meig. Syst. Beschr. II, 356, 2 et 1838. 

 VII, 101. — 1842. Zett. Dipt. Scand. I, 247, 4. - 1862. Schin. F. Å. 

 I, 81. 



Male. Eyes touching; epistoma black, shining; palpi black. Occi- 

 put likewise black, shining, with black, below with white hairs. An- 

 tennæ long, blackish brown, the style is less broad and much shorter 

 than in Jujbotina. Thorax black, shining, with short, somewhat ad- 

 pressed, greyish white hairs, leaving two narrow, bare stripes. Of 



