]42 Orlhorrhapha bracbycei'a. 



Legs yellow; the posterior coxæ grey; the tarsi brownish towards the 

 ends; front and hind femora sometimes with a more or Icss distinct, 

 blackish ring at the apex. The coxæ, especialiy the anterior, with 

 long, white hairs, for the rest the legs with short, black hairs; the 

 tibiæ finely spinuious. Wings hyaline, brownish spotted, all cross- 

 veins. the base of the radial and of the fork of the cubital vein, a 

 spot from the stigma downwards and the apex of the wing being 

 brownish fumigated, the posterior margin also slightly fumigated; the 

 veins and stigma brown. Balteres yellow. 



Female. Front grey or brownish grey, ocellar tubercle blackish. 

 Thorax often more brownish than in the male, and the grey stripes 

 broader in such a way tliat the thorax may be termed grey with 

 narrow, brownish stripes. Apex of scutelluin a little more yellow 

 than in the male. The plenra and the præalar and postalar calli 

 more or less yellowish. 



Length. The species varies very mach in size, the length being 

 !^— 14 mm. 



The pupa is brown, it has a length of 12—13 nnn. 



L. scolopacea is a common species, and it has been taken in 

 nearly all parts of Denmark: it occurs especialiy in the herbage near 

 water. My dates are •' i; — ^r,. The pupæ have been taken in Dyre- 

 haven, Huderhegn, Donse and Grib Skov in the earth and in decaying 

 tree-stubs, they were taken on " u, ^/s, ^''h and '•'^ i; and they deve- 

 loped respectively ^"^ 4, " r., ' r, and -i's. 



Geographical distribution: — All Europe, towards north to the 

 northernmost Scandinavia. 



2. L. niaculata Deg. 



1776. Xcmofeliis. Uegeer, his. VI, 69, 3.— 1842. Zelt. Dipt. Scand. I, 

 220, 7. — 1862. Schin. F. A. 1, 173. — 1903. Kat. palåarkt. Dipt. II, 80. 



Male. Front and face grey, the back of the head grey with 

 longish, white hairs. Antennæ yellowish, arista brown. Second joint 

 of palpi whitish yellow. Thorax grey, with two longitudinal stripes 

 and the lateral margins whitish grey; sterna and pleura grey. Thorax 

 with somewhat longish, black hairs on the disc, metapleura with long, 

 white hairs. Scutellum grey with long, black hairs. Abdomen yellowish; 

 lirst segment darkened at the base, the foUowing segments with brown 

 middle and side spots, from the fourth or fifth segment these spots 

 are confluent, forming transverse, posteriorly sinuate bands, whicli are 

 broader on the followiiig segments: the last segment black. Venter 

 yellow-, apex black. Abdomen clothed with black hairs on the dorsal 

 side. the venter with i)ale hairs. Legs yellow: the coxæ grey: front 



