154 Orthorrhapha brachycera. 



the base of the cubital fork and the cross-veins more strongly seamed 

 than in the male, so that the wings have a spotted appearance. 



Length 7 — 10 mm. 



This species is at once recognised by the structure of the antennæ ; 

 the somewhat spotted wings in the female are also characteristic. 



T. anilis is common in Denmark; Charlottenlund, Ordrup Mose, 

 Bøllemosen, Geel Skov, Ørholm, Brede, Birkerød, Hillerød, Tyvekrogen 

 and at Tjustrup Sø; on Funen at Odense and Faaborg; in Jutland 

 at Holsted near Kolding, at Nørholm near Varde, at Vejle, Silkeborg, 

 Dollerup near Viborg, Ringkøbing, Bangsbo, Frederikshavn and on 

 Læsø. My dates are ^^/s — ^h. It occurs in the herbage on fields on 

 dry and sandy piaces, I caught it especially on Carduus and Urtica. 



Geographical distribution: — Europe down into Italy; towards 

 the north to northern Scandinavia. 



10, T. fuscipennis Meig. 



1820. Meig. Syst. Beschr. II, 127,18. - 1862. Schin. F. A, I, 162, 

 167. — 1903. Kat. palåarkt. Dipt. II, 209. 



Male. Frons and face blackish grey; the hairs on the frons 

 blackish; the cheeks nearly bare, the hairs on the jowls somewhat 

 short, white. Occiput with white hairs, the occipito-orbital bristles 

 black. Antennæ greyish black, the first joint thick, with black bristles. 

 Thorax blackish grey with tvvo indistinct stripes. The disc clothed 

 with erect, black hairs and somewhat decumbent, greyish white hairs. 

 There are generally four dorsocentral bristles. Pleura with white 

 hairs. Abdomen greyish black with a somewhat silvery reflex, clothed 

 with somewhat depressed, white or silvery hairs. Venter greyish black 

 with pale yellow incisures, sparingly clothed with longish, whitish hairs. 

 Legs with the coxæ and femora grey, the apex of the femora and the 

 tibiæ yellow, tarsi yellow, blackish brown towards the ends. Coxæ 

 and anterior femora with long, white hairs, hind femora with depressed, 

 white hairs. Wings hyaline with yellowish brown veins; the fourth 

 posterior cell open. Stigma yellow. Halteres yellow, the base of the 

 knob black. 



Female. Vertex narrow; this and the posterior part of the frons 

 brown, with short, black hairs; the anterior part of the frons and 

 the cheeks silvery, without hairs. No frontal cailus. Antennæ more 

 sien der than in the male, the first joint not thickened. Thorax dark 

 grey with two stripes and the lateral margin whitish grey, so that it 

 may be termed whitish grey with three broad, dark grey stripes, the 

 lateral stripes somewhat divided at the transverse furrow. Thorax 

 with depressed, whitish hairs and some erect, black ones. Abdomen 



