274 Orthorrhapha brachycera. , 



yellow, the third joint and the arista brownish. Thorax yellow or 

 reddish yellow, shining, with two black or brownish black stripes 

 behind, one on each side, in front of the scutellum. The disc is 

 uniformly clothed with yellow hairs, but two narrow, bare stripes 

 indicate a division into dorsocentral and acrostichal hairs; the inner- 

 most row of the former (the real dorsocentral hairs) are longer behind. 

 A notopleural bristle, a supraalar and a postalar bristle present, all 

 yellow, Scutellum black, with two yellow or brown marginal bristles. 

 Pleura yellow, hypopleura black above the hind coxæ. Abdomen 

 black or blackish, pale at the base, and also sometimes at the apex 

 in front of the genitalia. Venter similarly coloured or almost quite 

 pale. Abdomen is clothed with yellow hairs, which are long at the 

 hind margin of the last visible segment; at the sides of the middle 

 segments (fourth and fifth) there are curious, broad, scaly, dark hairs. 

 Venter with short, pale hairs. Legs yellow, the last tarsal joint 

 brownish. The hind tibiæ slightly thickened just at the apex. The 

 femora with fine, longish hairs below, the front femora with a small 

 bristle at the apex on the anterior and one on the posterior side, 

 the middle femora with a stronger bristle on the anterior side; the 

 tibiæ with line hairs above and below, longest on the hind tibiæ; 

 these latter with a pair of bristles on the dorsal side. All hairs pale 

 yellow. Wings hyaline. Veins brown, the basal part of the discai 

 vein colourless. Halteres white or whitish yellow. 



Female. Similar to the male, but abdomen pointed. 



Length 2^2,3 mm. 



E.ephippiata is not rare in Denmark; Dyrehaven, at Svenstrup 

 between Roskilde and Ringsted; on Lolland at Maribo; in Jutland in 

 Greisdalen at Vejle and at Horsens, and finally on Bornholm. The 

 dates are in July and August. It occurs in woods and thickets on 

 bushes and in low herbage. 



Geographical distribution: — Europe down into Italy; towards 

 the north to middle Sweden. 



25. CliepsodFOinia Walk. 

 Species of small to very small size (1 — 4 mm.), but of a some- 

 what robust shape, and of grey or blackish colours. Head a little 

 narrower than thorax, and a little higher than broad; occiput some- 

 what arched, with four or only two long bristles (vertical bristles) 

 above, and besides with smaller hairs. Eyes higher than broad; they 

 are equally separated above the antennæ in both sexes, and the facets 

 are of equal size; below the antennæ they are likewise separated. 

 The eyes are short but densely hairy, in the smaller species this is 



