Diptera danica : genera and species of flies hitherto found in Denmark . t at the upper eye-margin. Antennæ black or blackish, more orless reddish below the base of the third joint; arista not so long asthe antennæ. Thorax greenish æneous or more brass-coloured, notmuch shining; postalar calli somewhat yellowish; the thorax is clothedwith yellow hairs, dense at the sides. Scutellum dark yellow, some-times bluish reflecting, with yellow hairs; there are sometimes someblack hairs on the disc. Pleura with long, yellow hairs. Abdomensomewhat marginate, dull black, shining at the apex, first segmen


Diptera danica : genera and species of flies hitherto found in Denmark . t at the upper eye-margin. Antennæ black or blackish, more orless reddish below the base of the third joint; arista not so long asthe antennæ. Thorax greenish æneous or more brass-coloured, notmuch shining; postalar calli somewhat yellowish; the thorax is clothedwith yellow hairs, dense at the sides. Scutellum dark yellow, some-times bluish reflecting, with yellow hairs; there are sometimes someblack hairs on the disc. Pleura with long, yellow hairs. Abdomensomewhat marginate, dull black, shining at the apex, first segmentgreenish, shining; there are three pairs of broad, yellow spots; thebasal spots lying about on the middle, broadly separated; they aretransverse, sloping forwards at the sides and going over the margin;the spots on third segment are large, lying near the front margin,they are slightly lunulate in front but straight behind and broadestinwards, as they slope away from the front margin outwards, and theygo over the side margin above; they go near to each other in the. f~ ^?^^?CJ ^? ? ^^ ? •-??^ L 1 ? ?? v,/ \é ^??.^ / &/ s. corallae c?, 121. Typical specimen. Fig. 122. The common variety. middle and are very often here united, forming a band excised in themiddle of front and hind margins; the spots on fourth segment aresimilar but quite near to the front margin, and they are nearly alwaysunited to a band, which is generally incised only behind; they gowidely over the margin, and as a rule the margin from here and 20 306 Syrphidae. backwards is quite yellovv: the fourth segment has a yellow hindmargin and the fifth is quite yellow with a small, black middle hairs on abdomen are somewhat short, they follow mainly theground colour but are somewhat pale at the base and between themiddle spots also when these are not united; at the sides the hairsare long and yellow at the base, for the rest short and black. Venteryellow, with black, transverse middle spots


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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad