180 Orthorrhapha brachycera. 



and only sllghtly converging with the cubital vein, first posterior cell 

 widely open; axillary lobe somewhat small. Squamulæ yellow, with 

 a black fringe. Balteres yellow. 



Female. Epistoma broader than in the male, but not specially 

 broad, greyish white. Antennæ shorter. For the rest similar to 

 the male. 



Length 3—3,5 mm. 



Among other characters this species is distingaished by the rather 

 long proboscis, which is a somewhat unusual featm-e in the family. 

 Zetterstedt says (1. c. XII): "Ciliæ postoculares omnes atræ"; this must 

 be a mistake, for his species is certainly nigripennis. 



H. nigriyennis is common in Denmark; Dyrehaven, Lyngby Mose, 

 Ørholm, Frerslev Hegn and Præstevang near Hillerød, Rørvig, Bose- 

 rup and Roskilde; on Funen at Odense, Veflinge and Hoffmansgave, 

 and on Fænø; in Jutland at Silkeborg, Laven near Silkeborg, Frijsen- 

 borg, Gjerlev near Randers Fjord, Holstebro, Sæby and Jerup at 

 Frederikshavn; finally on Bornholm at Hasle, Allinge and Almindingen. 

 My dates are ^^/e — ^/s. It occurs in low herbage on meadows in 

 woods, and also on fields. 



Geographical distribution:— Northern and middle Europe down 

 into France; towards the north to middle Sweden. 



6. H. vivax Loew. 



1857. Loew, Neue Beitr. V, 19 {Gymnopternus). — 1862. Schin. F. A. 

 I, 211 [Gymnopternus). — 1903. Kat. palåarkt. Dipt. II, 313. 



Male. Vertex and frons duU green. Epistoma somewhat narrow, 

 white. Palpi dark. Occiput greenish, greyish pruinose; postocular 

 bristles black. Antennæ black, about as long as the head, third joint 

 slightly longer than broad, with the rounded apex turned dorsally. 

 Thorax green or dark green, very slightly pruinose, shining; scutellum 

 with only very few, inconspicuous hairs at the margin. Pleura dark 

 green, greyish pruinose; propleura with a few, partly dark hairs and 

 a black prothoracic bristle. Abdomen dark green, only slightly greyish 

 pruinose downwards; it is clothed with short black hairs, and has 

 hindmarginal bristles, longer on the first segment. Venter greenish, 

 grey pruinose, with slight, pale hairs. Hypopygium greenish black, 

 greyish pruinose; eiglith segment with black hairs; on the ventral side 

 of the hypopygium there are small, triangular lobes near the base ; in 

 the middle there are a pair of somewhat long ventral lobes, which 

 are directed downwards at the base, but just after the base bent 

 backwards, and with a long hair at the base and a smaller at the 



