388 Orthorrhapha brachycera. 



Female. Epistoma not broader than in the male. Abdomen 

 yellow, the first segment more or less æneous or greenish; in the 

 middle of the second segment, at the hind margin, a small, black, 

 sometimes brown spot, and the apex black. 



Fig. 123. Wing of C. molliculus d". 



Length 2,2— 2,5 mm. 



C. molliculus is not common in Denmark, and has only been 

 taken in Ordrup Mose (Stæger, the author). The dates are in July. 

 Stæger took his specimens on Gorylus. 



Geographical distribution:— Europe down into Italy; towards 

 the north to middle Sweden, 



2. C. concinnus Zett. 



1843. Zett. Dipt. Scand. II, 489, 11, et 1859. XIII, 5037, 11 (Chrysotus). 

 — 1903. Kat. palaarkt. Dipt. II, 349. — Dolichopus molliculus Fall. 1823. 

 Dipt. Suec. Dol. 23, 35, p.p. 



Male. Vertex and frons green, slightly pruinose. Epistoma green. 

 Palpi yellowish. Occiput greenish, a little greyish pruinose; postocular 

 bristles white. The vertical bristles yellow. Antennæ with the two 

 basal joints yellow, the third brown. Thorax bright green or golden 

 green, a little greyish pruinose; all bristles yellow, Pleura green, 

 greyish pruinose, especially behind; metaepimera of the same colour; 

 propleura with a pale prothoracic bristle. Abdomen bright green, 

 sometimes somewhat coppery, clothed with yellow hairs; there are 

 somewhat short hindmarginal bristles, long on the first segment. 

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

 more or less brown at the apex. The legs have pale hairs, the 

 front coxæ somewhat bristly hairs at the apex; posterior coxæ each 

 with a pale bristle; femora short-haired; middle femora with one 

 preapical bristle, hind femora with two, one above the other; middle 

 tibiæ with two antero- and two postero-dorsal bristles; hind tibiæ 

 with a few bristles above; all bristles yellow. Wings slightly yellov^ish 



