1 J 2 Syrphidae. 



Female. Frons a little broader than in the male, piinctate, with- 

 out or with slight cross-furrows ; also a slight middle channel mav be 

 present or wanting, or this space niay even be a little elevated. 

 Antennæ with the third joint longer. Abdomen generally bluish or 

 violet on the disc. Legs generally with the tarsi, especially the hind 

 ones, darker. 



Length 5—6,6 mm; a single male only reaches 4,8 mm. 



Fig. 52. Antenna of L. splendida 9, fi'om the inside, X 70. 



This species is much like metalUna but is recognized by the shape 

 and colour of the antennæ and the colour of the tarsi, besides by 

 other characters. 



L. splendida is rather rare in Denmark and nmch rarer than 

 metallina ; Lersø, Ordrup Mose, Lyngby Mose, Ørholm and on Lolland 

 in Kældskov; the dates are V«— ^^/e. It occurs on the same localities 

 as metallina. 



Geographical distribution: — Europe down into Italy, and in Asia 

 Minor; towards the north to middle Sweden. 



IIL Chrysogaster Meig. s. str. 



Eyes touching in the male, the facets in the upper half enlarged, 

 and there is a more or less distinct dividing line between the large 

 and small facets. Frons arched and considerably puffed out; epistoma 

 in the male as a rule with a more or less distinct central knob, but 

 sometimes not (f. inst. splendens and insignis bolh non-Danish). Antennæ 

 short, third joint rather small. Abdomen dull on the disc in the male, 

 and also, but to a less degree, in the female, and quite shining in the 

 female of viduata. Hind femora setulose beneath. Wings with the 

 upper marginal cross-vein not recurrent. 



There are about 17 palæarctic species; 5 occur in Denmark. 



