. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Chalarus. 59 but otherwise I think my synonymy correct, while further syno- nyms are still uncertain. 1 have also myself studied Zetterstedt's types. P. nigrituliis is not rare in Denmark, Charlottenlund (Stæger), Ermelund, Ørholm, Geel Skov, Ruderhegn, Nordskoven at Jægers- pris (SchHck), Rørvig, Bogø south of Sealand (the author), on Lol- land at Faaborg and in Aasø Skov (Schlick), on Funen at Odense and in Jutland in Grejsdal at Vejle and at Frederikshavn, and on Bornholm at Rønne (H. J. Hansen); t
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Chalarus. 59 but otherwise I think my synonymy correct, while further syno- nyms are still uncertain. 1 have also myself studied Zetterstedt's types. P. nigrituliis is not rare in Denmark, Charlottenlund (Stæger), Ermelund, Ørholm, Geel Skov, Ruderhegn, Nordskoven at Jægers- pris (SchHck), Rørvig, Bogø south of Sealand (the author), on Lol- land at Faaborg and in Aasø Skov (Schlick), on Funen at Odense and in Jutland in Grejsdal at Vejle and at Frederikshavn, and on Bornholm at Rønne (H. J. Hansen); the dates are ^Vs—^Vs; a pupa was taken in Ruderhegn in flood refuse in April (Schlick). Geographical distribution: — Northern and middle Europe at all events down into Bohemia, towards the north to middle Sweden. 2. Clialarus Walk. Small species of velvet black colour in the male, more greyish in the female. Head semiglobular, a little broader than tliorax, flat or a little excavated behind just from the eye- margin, and thus without any rim behind the eyes. Eyes separated in both sexes, very narrowly in the male, a little more broadly in the female. Vertex a little elevated, with three ocelli; the vertex has some short hairs and a pair of ocellar bristles, which are parallel and directed forwards, they are longer in the male than in the female; in the latter sex the frons distinctly hairy on the upper half. Eyes occupying the whole front side of the head, they are practically bare; in the male the facets somewhat enlarged, decreasing evenly in size towards the hind margin, in the female o^ . ® ' Fig. 30. Antenna of very enlarged on the front part around the x\m. antennæ. Antennæ (Fig. 30) inserted in the middle of the head, near to each other, third joint short oval, rounded below, more roundish in the female, the second joint with a few long hairs above and below. Epistoma as in Pipiinculiis, but shorter on account of the less long head and a lit
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