. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 186 Orthorrhapha brachycera. Male. Vertex and frons grey dusted; ocellar tiibercle dark. Epi- stoma not narrow, grey; elypeus bent angularly inwards. Palpi black. Occiput greenish, greyish pruinose; postocular bristles black. Antennæ black, not as long as the head, the third joint about as long as broad, triangularly pointed; arista distinctly short-haired. Thorax dark green or æneous green, rarely æneous, it may sometimes be brighter in the middle; it is slightly pruinose, shining; scutellum. y/- Fig
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 186 Orthorrhapha brachycera. Male. Vertex and frons grey dusted; ocellar tiibercle dark. Epi- stoma not narrow, grey; elypeus bent angularly inwards. Palpi black. Occiput greenish, greyish pruinose; postocular bristles black. Antennæ black, not as long as the head, the third joint about as long as broad, triangularly pointed; arista distinctly short-haired. Thorax dark green or æneous green, rarely æneous, it may sometimes be brighter in the middle; it is slightly pruinose, shining; scutellum. y/- Fig. 53. Antenna of fi. ceUr c5", from the inside. X 80. haired with dark hairs, brownish at the margin. Pleura greenish, grey pruinose ; propleui'a with a few pale hairs and a black prothoracic bristle. Abdomen dark green or somewhat æneous, very slightly pruinose downvvards; it is clothed with short, black hairs, and has hindmarginal bristles, which are longer on the first segment. Venter greenish, grey pruinose, with yellow or brownish hairs, somewhat long at the base. The hypopygium is constructed quite as in the preceding species; the outer lamellæ are small, broader than long, of yellow colour and with somewhat short hairs at the margin. Legs yellow, coxæ grey with the apex yellow; the tarsi with the apex of metatarsus and the four following joints black; hind metatarsus con- siderably shorter than the second joint. The legs have short, black hairs; posterior femora with one preapical bristle; front tibiæ with a few bristles above, but none below; middle tibiæ with two rows of bristles above and one ventral bristle; hind tibiæ likewise with two rows of dorsal bristles, and some smaller ventral bristles. Wings a little tinged; veins black, costa thickened on a streak between the base and the apex of the sQbcostal vein, and also somewhat thick from the apex of the subcostal vein and outwards; discai vein with a very slight bend and parallel with the cubital vein;
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
