Dolichopodidae. 351 



Jutland at Hulsig north of Frederikshavn on ^Vt 1909 (Th. Mor- 

 tensen). 



Geographical distribution : — Northern and middle Europe down 

 into Austria, Styria and Switzerland; towards the north to northern- 

 most Scandinavia, and in Finland; it seems especially to be a moun- 

 tain species; Zetterstedt records that he has taken it in the moun- 

 tains to a height of 3500 feet, and hesays: "in nive perenni ambulans". 



7. H. nebulosus Fall. 



1823. Fall. Dipt. Suec. Dol. 3, 4. — 1824. Meig. Syst. Beschr. IV, 68, 19 

 (Medeterus). — 1843. Zett. Dipt. Scand. II, 447, 7 et 1849. VIII, 3053,7. 

 — 1862. Schin. F. A. I, 231. — 1903. Kat. palåarkt. Dipt. II, 343. 



Male. Head higher than broad ; vertex and frons brown. Epistoma 

 not broad, yellowish brown. Palpi dark brown. Occiput æneous 

 above, grey below ; postocular bristles black, the hairs below yellowish 

 white, Jowls present, but narrow. Antennæ black, not specially 

 short, the third joint a little longer than broad, pointed in front; 

 arista about as long as the antennæ. Thorax dark olive, æneous or 

 coppery, shining, brown pruinose at the sides; there is a whitish, 

 longitudinal stripe in the middle, narrowed and abbreviated behind, 

 and on the front part of the disc there are some whitish spots, especi- 

 ally four more distinct, two more approximated in front and two more 

 distant behind; five dorsocentral bristles. Scutellum with four bristles. 

 Pleura somewhat æneous, grey pruinose, brown just above; propleura 

 with a few white hairs, the lower somew^hat bristly. Abdomen short, 

 obliquely truncate at the end, green, æneous or somewhat coppery, 

 broadly greyish pruinose at the sides and at the apex; it is very 

 thinly clothed with short, black hairs, at the sides of the flrst segment 

 there are a few, pale, slightly longer hairs. Venter grey, with short, 

 pale hairs. Hypopygium hidden, the outer lamellæ small, greyish 

 black. Legs green or æneous, coxæ grey pruinose; also the femora, 

 especially the front femora, and the tibiæ slightly pruinose; tarsi black; 

 the legs have short, black or blackish hairs, only the tarsi with pale 

 pubescence below ; the coxæ are pale-haired, the front coxæ have 

 black bristles anteriorly ; the front femora have a row of black spines 

 below, longest at the base, not reaching the apex, and besides there 

 are numerous quite short spines or bristles on the antero-ventral 

 side, not placed in rows; the front tibiæ have two rows of short 

 spines below, and a long, somewhat strong spine just before the apex; 

 the posterior femora and tibiæ have various, scattered bristles. Wings 

 somewhat greyish tinged, with a number of more or less confluent, 

 roundish, or some square, brown spots in the subcostal and cubital 



