Empididae. 133 



brown tinged, towards the base and anterior margin deep yellow. 

 Veins dark brown, the lower branch of the cubital vein bending 

 very slightly downwards, and with a scarcely observable trace of a 

 recurvation at the apex, terminating a little before the apex of the 

 wing. Stigma somewhat dark brown. Halteres yellow. 



Female. Frons somewhat broad, grey. Thorax and abdomen 

 much shorter haired than in the male, and abdomen of grey colour; 

 the lamellæ of the ovipositor short and below them a small lamella. 

 Legs short-haired, the anterior tibiæ with short, the hind tibiæ with 

 longer bristles. Wings hyaline, but the costal cell, the first basal cell, 

 the anal cell and the alula yellow (all the same parts which are 

 yellow in the wing of the male), 



Length 5,5 — 6 mm. 



This interesting species resembles somewhat tessellata, but can 

 in no way be confused with it, as both the size and other characters 

 easily distinguish it. Loew's description agrees in every character, so 

 that the determination is beyond doubt, but Loew has not seen the 

 curious shape of the fourth abdominal segment in the male. Also 

 the female described by Loew agrees fully with my females, so that 

 it may be.considered as certain, that it was really the female to this 

 species Loew had before him. Loew declares correctly, that the 

 species is nearly related to tessellata', when he is of opinion that it 

 stands nearer to the ciliata group than does tessellata I am not sure, 

 that this is correct; the hairs on the thoracic disc are present quite 

 as in tessellata ; there is however the difference, that the hairs outside 

 the dorsocentral rows are of the same or about the same length as 

 the dorsocentral hairs, while in tessellata they are shorter. — The 

 species is not much known, and I do not find it mentioned since 

 Loew, except in Verrall's List of Brit. Dipt. 2nd Ed. 190L 



E. brevicornis is rare in Denmark, only five specimens, a male 

 and four females, have been caught, and it was taken for the first 

 time in 1908; Ermelund, Tyvekrog and in Nordskoven at Jægerspris 

 (the author); the dates are ^^Ih — ^^/a, it is thus a spring species. 



Geographical distribution: — Loew described the species from 

 Bavaria, and Verrall records it from England. 



26. E. livida L. 



1761. Linn. Fn. Suec. 1897. — 1822. Meig. Syst. Beschr. III, 35, 36. — 

 1842. Zett. Dipt. Scand. I, 372, 4. — 1862. Schin. F. A. I, 104. — 1903. 

 Kat. palåarkt. Dipt. II, 239. — Etnpis lineata: 1805. Fabr. Syst. Antl. 141, 19. 



Male. Eyes contiguous; frontal triangle and epistoma grey. 

 Occiput brownish grey with black bristles, the hairs below yellowish 



