212 Oiihorrhapha brachycera. 



bright green, clothed with short, black hairs, and with hindmarginal 

 bristles, a little longer on the first segment; the eighth segment with 

 some longish hairs. Venter green, with yellow hairs. The ventral 

 lobes of the hypopygium brownish. Legs yellow, front coxæ some- 

 times a little greyish at the base, posterior coxæ grey, with the tro- 

 chanters yellow; hind femora black at the apex and likewise hind 

 tibiæ; anterior tarsi with apex of metatarsus and the fom* following 

 joints brownish or blackish; hind tarsi blackish except the base of 

 metatarsus. The legs have short, black or brown hairs, front coxæ 

 whitish-haired, and also the bristles at the end of the middle coxæ 

 pale; femora with somewhat long, bristly hairs below at the apex, 

 the front femora on the posterior, the middle femora on both sides 

 and the hind femora on the anterior side; front tibiæ with a small 

 bristle above near the base, middle tibiæ with two distinct antero- 

 dorsal bristles, and generally a couple of very small postero-dorsal ; 

 hind tibiæ with small dorsal bristles, and a somewhat long ciliation 

 on the antero-dorsal and especially on the anterior side, continued 

 out on the first tarsal joints, besides there is a dense ciliation on the 

 ventral side at the tip of the tibia. Wings a little tinged; veins 

 blackish. Squamulæ yellow, with a yellow fringe. Balteres pale 

 yellow. 



Female. Epistoma broad, grey. Palpi large, greyish, the apical 

 part yellowish. Hind tibiæ yellow or only slightly browned at the 

 tip, the dorsal bristles more distinct than in the male. 



Length 2—2,2 mm. 



C. cilipes is rare in Denmark; Utterslev Mose (the author); in 

 Jutland at Horsens, Ry near Silkeborg and Frederikshavn, and on 

 Bornholm at Allinge and Hasle (H. J. Hansen); it was for the first 

 time taken in 1881. My dates are in July. It occurs on humid 

 meadows and in grass in woods. 



Geographical distribution: — Europe down into Spain and Italy; 

 towards the north to southern Sweden. Strobl notes (Mittheil. Ver. 

 Steierm. 1892, 143) that he has taken a specimen at a height of 

 5000 feet. 



3. C. femoratus Zett. 



1843. Zett. Dipt. Scand. II, 483, 3, c?. — 1874. Kow. Verhandl. zool. 

 bot. Gesell. Wien, XXIV, 461,4, Taf. XIII, Pig. 22. — 1903. Kat. palåarkt. 

 Dipt. II, 318. 



Male. Vertex and frons green. Epistoma green, very narrow 

 downwards. Palpi small, brownish or yellowish. Occiput greenish, 

 greyish pruinose; postocular bristles black above, yellow below. 



