Dolichopodidae. 219 



little yellowish at the apex. Occiput greenish, greyish pruinose; post- 

 ocular bristles black above, whitish below. Antennæ black, third 

 joint smallish, a little broader than long, slightly pointed. Thorax 

 dark green, æneous or coppery, slightly brownish pruinose, shining; 

 the posterior part and the scutellum generally more bluish green. 

 Pleura greenish or æneous, greyish pruinose; propleura with two 

 brown or blackish prothoracic bristles. Abdomen green or dark green, 

 sometimes more æneous or with coppery or bluish reflexes; it is 

 clothed with black hairs, which are not short, and it has somewhat 

 long hindmarginal bristles, rather long on the . first segment ; at the 

 end of abdomen on the eighth segment there are a few, not long but 

 strong bristles. Venter æneous, somewhat greyish pruinose, with 

 black hairs. Legs black, front coxæ greyish pruinose, with brownish 

 yellow trochanters; femora somewhat greenish metallic ; anterior tibiæ 

 and metatarsi generally more or less brown. The legs have short, 

 black hairs; femora with distinct bristly hairs below, and on all femora 

 present on both sides; front tibiæ distinctly ciliated both above and 

 below, and with two bristles above, the lowermost only slightly marked 

 against the ciliation ; middle tibiæ with two strong antero-dorsal, and 

 generally two small postero-dorsal bristles ; hind tibiæ with two dorsal 

 rows of somewhat long bristles, and with a rather long ciliation on 

 the anterior and antero-dorsal side, continued out on the tarsi. Wings 

 somewhat dark greyish tinged, towards the anterior margin almost 

 blackish; veins black. Squamulæ dirty whitish or yellowish, the 

 margin brownish; the fringe brown or blackish. Balteres yellow or 

 dirty whitish. 



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

 broad greenish, grey pruinose. Palpi somewhat small, grey. Anterior 

 tibiæ and basal part of metatarsi yellow, sometimes the tibiæ a little 

 darker at the apex. 



Length 2,3—2,8 mm. 



C. blepharosceles is not at all common in Denmark ; Ordrup Mose, 

 Ermelund; on Langeland at Lohals, and on Bornholm at Rø, Hasle 

 and Hammeren. My dates are ^^/e — ^^/s. It occurs in grass and low 

 herbage in fens and on meadows in woods, f. inst. I have taken it 

 on the leaves of Petasites. 



Geographical distribution: — Northern and middle Europe down 

 into France; its northern limit is in Denmark, and it occurs in England. 



8. C. gramineus Fall. 



1823. Fall. Dipt. Suec. Dol. 19. 24 (DoUchopus). — 1843. Zett. Dipt. 

 Scand. II, 483,4, et 1849. VIII, 3064, 4, et 1855. XII, 4620,4.-1862. 



