{ IQ Syrphidae. 



but shining. Scutellum usually distinctly marginale and with a trans- 

 verse depression. Tiie tlioracal disc is densely clothed witii short, 

 yellow hairs, longer at tiie margin of scutellum. Pleura with a little 

 longer hairs. Abdomen æneous green, densely punctate but shining; 

 it is densely clothed with short, whitish pubescence, longer at the basal 

 corners. Venter similarly coloured and haired. Genitalia forming a 

 rather large knob. Legs æneous green, tarsi black, hind metatarsi 

 slightly thickened ; the legs short-haired with pale hairs. Wings a little 

 yellowish tinged on the basal half. Stigma yellowish or brownish. 

 Squamulæ whitish with a little darker margin. Balteres orange. 



Female. Frons broader than in the male, punctate, with a slight 

 middle channel and shallow cross-furrows on the sides: antennæ with 



Fig. 50. Antenna of L. metallina 9, from the inside, x 70. 



the third joint smaller but still large, longer than broad. Abdomen 

 less shining, often more brassy or copper-coloured, more rarely bluish 

 on the disc. Sometimes both head, thorax and partly abdomen coppery 

 or violet. 



Length 6 to about 7 mm. 



L. metallina is common in Denmark; Lersø, Ordrup Mose, Errne- 

 lund, Bøllemosen, Lyngby Mose, Ørholm, Hillerød, Frederikssund, 

 Boserup at Roskilde; on Lolland at Strandby, in Høvænge Skov and 

 Dødemose west of Nysted and at Sandager; in Jutland at Henne south 

 of Ringkøbing Fjord, Greisdal at Vejle, Nebsager near Horsens, Sminge 

 near Silkeborg, Gjerlev near Randers Fjord, Hald at Viborg, Bovbjerg, 

 Frederikshavn and Læsø, and on Bornholm at Allinge and Hammeren. 

 My dates are ^Ib—'^^k. It occurs in low herbage and on flowers on 

 humid meadows and at horders of ditches. 



Geographical distribution:— Europe down into Spain and Italy; 

 towards the north to middle Sweden, and in Finland. 



