Diptera danica : genera and species of flies hitherto found in Denmark . Genitalia shining. Venter black, shining, with longish, pale hairs. Legswith the femora black with yellow apex, tibiæ yellow, with a rather 10* 148 Syrphidae. small, black ring below the middle, tarsi yellow with the last jointblack, front metatarsus a little darkened above and hind metatarsusblackish. Legs alraost all yellow-haired; only the hairs behind thefront femora and towards the end of middle femora more or lessblack, and sometimes the short hairs on the anterior side of hindtibiæ black; hind femora distinctly bla


Diptera danica : genera and species of flies hitherto found in Denmark . Genitalia shining. Venter black, shining, with longish, pale hairs. Legswith the femora black with yellow apex, tibiæ yellow, with a rather 10* 148 Syrphidae. small, black ring below the middle, tarsi yellow with the last jointblack, front metatarsus a little darkened above and hind metatarsusblackish. Legs alraost all yellow-haired; only the hairs behind thefront femora and towards the end of middle femora more or lessblack, and sometimes the short hairs on the anterior side of hindtibiæ black; hind femora distinctly black setulose below and hindmetatarsus slightly thickened. Wings yellowish tinged most towardsthe base and anterior part; upper angle at the upper marginal cross-vein acute. Squamulæ white with a white fringe. Halteres pale yel-lowish, sometimes with the knob slightly darkened. Female. Frons somewhat broad, slightly widening downwards,with narrow lateral but no middle channel; it is yellow-haired butwith dark hairs at the ocelli, sometimes black-haired. Antennæ with. Fig. 72. Antenna of C. pagana 9, from the inside. X 75. the third joint very large. Thorax with short, decumbent pubescence,varying as in the male from yellow to black. Abdomen shining withyellow, longish, erect hairs at the sides, especially towards base; inthe middle the hairs are short and depressed, and often more or lessdark on the hind parts of second and third segments and in darkspecimens they may be black on fourth and fifth segments. Legschiefly as in the male or slightly paler, sometimes the anterior tibiæquite yellow; hind femora only slightly setulose below the apex. Thewings may be more distinctly tinged. Length 6—8,5 mm. As Loew correctly remarks the eyes in the male of this speciesshow some scattered hairs; they are more distinct in some specimensthan in others. C. pagana is common in Denmark; Amager, Ordrup Mose, Erme-lund. Dyrehaven, Lyngby Mose, Hareskov, Geel Skov, Hillerød, Bose- Ghilosia


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