Descriptions of British Diptera. 165 



of a uniform yellowish -brown, with the nervures darker. 3^ to 4 

 lines. (Preceding wood- cut, Jig. 3. J 



A beautiful and very distinct species, occurring rather plentifully on 

 flowers in meadows and marshes, during the months of June, July, 

 and August. Near Edinburgh it is found in many situations, and oc- 

 casionally in great abundance on the irrigated meadows between 

 Portobello and Leith. " Near London, " Stephens' 's Catal. " Rae- 

 hills, Dumfries-shire," Rev. William Little. " Holmes, Roxburgh- 

 shire," Sir William Jardine, Bart. " Woods near Newby Cross," 

 T. C. Heysham, Esq. " Bath," Charles C Babington, Esq. " Com- 

 mon in Cruciferae, in Ireland," A. H. Haliday, Esq. 



2. Chloromyia polita. C s.J 

 Musca polita, Linn. Sargus politus, Fabr. Syst. Ant. ; Meig. Zwei. iii. 

 111. Nemotelus auratus, De Geer, vi. 81. Musca vitreus, Harris, Ex- 

 pos, xi. fig. 9 and 10, £ . 



Colour of the body golden green, the surface highly polished and 

 shining, the pubescence being so short and scattered as to be scarce- 

 ly perceptible ; eyes brassy-green, without pubescence ; antennae 

 dark-brown ; forehead of the female shining green, sometimes in- 

 clining to blue ; abdomen slightly tinged with copper-colour, and 

 having a violaceous play of colour in the female ; under side of the 

 body black, the legs yellow with the thighs black, except at the 

 apex, the hinder and sometimes the intermediate tibia? brownish 

 near the apex ; halteres pale yellow ; wings vitreous, very slightly 

 tinted with yellow, iridescent, the nervures brown. If -2 lines. 



Rather a common fly throughout the south of Scotland during 

 the summer months, and apparently equally plentiful in England. 

 " Near London," Stephens's Catalogue. " Isle of Wight and Lon- 

 don," Curtis, B. E. vii. fol. 305. " Neighbourhood of Twizell," P. 

 J. Selby, Esq. " Woods near Newbigging Hall," T. C. Heysham, 

 Esq. " Needwood Forest, Staffordshire," C. C. Babington, Esq. 

 " Common in hedges in Ireland," A. H. Haliday, Esq. 



3. CHLOROMYrA FLAVICORNIS. ( 's. ) 

 Meig. Zwei. iii. 112. 

 About the size of C. -polita ; antennae yellow ; thorax shining 

 golden-green, glossed with blue posteriorly ; abdomen yellowish, 

 with a blue play of colour ; legs pale-yellow, the hinder thighs 

 black, with the base and apex yellow, the hinder tibiae tinged with 

 brown before the apex ; halteres and wings as C. polita. 



This species was first described by Meigen, from a specimen 



