180 Orthorrhapha biachycera. 



and in Greisdalen (H. J. Hansen, the author); both localities are at 

 Vejle. The dates are in August. 



Geographical distribution : — The species is only known from 

 Denmark. 



24. H. cingulata Dahlb. 



1850. Dahlb. Vetensk. Acad. Handl. 1850, 160. — 1852. Zett. Dipt. 

 Scand. XI, 4270, 20—21. — 1892. Strobl, Verh. zool. bot. Gesell. Wien, 

 XLII, 159, 44. — 1903. Kat. palåarkt. Dipt. II, 249. 



Male. Vertex grey; frons very narrow, dull black, somewhat 

 lighter above the antennæ; epistoma grey; palpi pale yellow, Avith 

 yellow or brown hairs. Occiput grey, with yellow hairs. Antennæ 

 black, the basal joints reddish. Thorax grey, slightly shining, with 

 two narrow, darker to blackish, shining stripes, abbreviated behind. 

 The dorsocentral and acrostichal bristles not short, black; the former 

 uniserial, longer behind, the latter biserial. Further a huraeral bristle, 

 a posthumeral, two notopleural, a small supraalar and a postalar 

 bristle, all black. Pleura grey. Scutellum with four black marginal 

 bristles. Abdomen blackish, sometimes more or less reddish; the 

 hairs are dark, and there are fine, black marginal bristles on the 

 segments. Venter reddish, short-haired. Exterior genitalia very small. 

 Legs yellow, also the coxæ; tarsi dark brown towards the apex, 

 posterior coxæ a little darkened at the base; the legs are somewhat 

 long and slender, the tarsi, also the front tarsi, long, front metatarsi 

 simple, not thickened. Front femora with fme hairs on the posterior 

 side; middle femora with bristles on the anterior side; hind femora 

 with a row of longish hairs above, and very fine hairs below; front 

 tibiæ without bristles, middle tibiæ with some few; hind tibiæ with 

 bristles on the dorsal and anterior side; all tarsal joints distinctly 

 longer than broad. The hairs brownish, the bristles blackish. Wings 

 slightly yellowish tinged. Veins yellowish to brown ; the upper branch 

 of the cubital vein somewhat diverging. Stigma faint, yellow. Halteres 

 yellow. 



Female. Similar to the male, but the frons broad, grey, humeri 

 and propleura reddish; abdomen likewise reddish, with whitish yellow 

 hind margins to the segments. Coxæ quite yellow; hind tibiæ simple. 



Length 3 mm. 



H. cingulata is rare in Denmark, only three specimens, all females, 

 are known; at Odense (H.J.Hansen) and on Fænø on 20/7 1907 (the 

 author). 



Geographical distribution : — Europe down into Spain {\diV.morenae 



