246 Syrphidae. 



especially behind; all tarsi yellowish or brownsh; hind tibiæ a little 

 excavated and curved on the posterior side near the apex. The legs 

 haired as usual, anterior femora somewhat densely; the hairs on femora 

 black, the short hairs on anterior tibiæ partly pale, partly black; 

 hind tibiæ black-haired, a httle fringed above and below, longest on 

 the antero-dorsal side. Wings very slightly yellowish tinged, blackish 



Fig. 113, Wing of E.syrphoides d- 



at extreme base and with a brown, somewhat indefinite band on 

 the middle from the basal end of the stigma down to the base of 

 the postical fork. Squamulæ black, with black fringes. Balteres 

 brownish with a paler peduncle. Plumula black or brown. 



Female. Eyes separated but the frons not broad, it is greyish 

 pruinose, more brownish in the middle; the hairs are dark, but more 

 or less yellow on the anterior part. The red colour at the apex of 

 abdomen is more restricted as it only includes the hind margin of the 

 fourth segment and the rest of the apex. The hairs are pale yellow 

 on the whole second segment and likewise on the whole or almost 

 the whole fourth, so that only the third segment is black-haired, and 

 even it may have some pale hairs on the posterior part. In the 

 fringe on the hind tibiæ are some yellow hairs. 



Length 13 — 15 mm. 



E. syrphoides is somewhat rare in Denmark ; Ordrup Mose, Donse, 

 Tyvekrog, Frerslev Hegn, Tisvilde; in Jutland at Rebbild near Skørping. 

 My dates are ^^'s^ — ^"/s. It occurs on flowers in fens and meadows. 



Geographical distribution: — Northern and middle Europe down 

 into Austria, Hungaria and Styria, and in northern France; towards 

 the north to northern Sweden, and in Finland, 



16, Iscliyposyppliiis Big. 



This genus stands very near to Syrphus. The species are of 

 large or medium size. Eyes hairy (in a foreign species, /. liophthalmus, 

 only slightly hairy). Antennæ inserted above the middle; third joint 



