Eristalis. - 417 



veinlet; anal vein slightly dipped; vena spuria almost quite absent. 

 Stigma a little elongate but only dark at the base, the rest very pale. 

 Squamulæ and fringes whitish. Halteres yellow. 



Female. Vertex and frons broad, greyish pruinose above, yel- 

 lowish below, wlth an oval, brown or black spot in the middle; the 



Fig. 152. Wing of E. sepulchralis cJ". 



hairs are yellow but blackish in front of the ocelli and some few on 

 the frons, sometimes almost all black. Thorax with the stripes, which 

 are shining in the male, much more duU and greyish, especially the 

 two middle ones; further the stripe dividing the velvet middle stripe, 

 those between the lateral velvet stripes and those exterior to the 

 outer lateral velvet stripes are all light grey pruinose and extending 

 towards scutellum; there are thus five light grey stripes and also the 

 transverse furrow is grey. Abdomen quite æneous shining, more or 

 less duU only on the middle of second and third segments. Legs 

 more yellow haired. 



Length 7,5 to about 10 mm. 



As known there exists some doubt with regard to the authorship 

 of Linné for this species; it seems, however, after all, most probable 

 that Linné has included more than one species in his descriptions and 

 that he has had also sepulchralis before him. 



E. sepulchralis is common in Denmark ; at Copenhagen, Vester- 

 fælled. Amager, Dragør, Utterslev Mose, Damhusmose, Ordrup Mose, 

 Dyrehaven, Lyngby Mose, Frerslev Hegn, Frederikssund, Jægerspris 

 and Boserup at Roskilde ; on Lolland at Maribo and Nysted ; on Fejø ; 

 in Jutland at Horsens, Søndervig and Lønstrup, and on Bornholm. 

 My dates are ^*/5 — ^^/tt. It occurs in fens, on meadows and commons 

 at ponds and ditches and not rarely near the shore. The larva has 

 been taken on Vesterfælled at the shore, on sand below sea-weed on 

 ^*/7, it developed in August (Schlick); pupæ were taken at Boserup 

 on ^^/4, developing in May (Schlick) and on Vesterfælled at the shore 

 on */4, developing at the end of April (the author). 



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