. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. d 9 Fig. 12. Head of N. nigrinus male and female. without spots. Eyes round, nearly touching above the frontal triangle, bare, dark greenish, slightly metallic, with a reddish violet band below the middle on the line dividing the large and small facets. Thorax black, shining, somewhat punctate, slightly and very short haired: the pale humeral callus small, and the stripe going to the wing-root, narrow, both brownish yellow. Abdomen black, more or less bluish, somewhat punctate and somewhat dullish in front but sh
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. d 9 Fig. 12. Head of N. nigrinus male and female. without spots. Eyes round, nearly touching above the frontal triangle, bare, dark greenish, slightly metallic, with a reddish violet band below the middle on the line dividing the large and small facets. Thorax black, shining, somewhat punctate, slightly and very short haired: the pale humeral callus small, and the stripe going to the wing-root, narrow, both brownish yellow. Abdomen black, more or less bluish, somewhat punctate and somewhat dullish in front but shining be- hind. V^enter black. Femora black, broadly white at the tips, tibiae. Fig. 13. Wing of N. nigrinus. and tarsi whitish, hind tibiae black in the middle, anterior tibiae more or less darkened, and the tarsi distinctly darkened towards the ends. Wings hyaline with white veins, stigma yellowish, cubital vein not forked. Halteres white, the peduncle slightly darkened. Female. Front broad, snout rather long, pointed, no spots above the antenna?. Eyes roundish, higher than long, coloured as in the male, but the band situated in the middle. All the rest as in the male. Length 3,8—4,5 mm. This species is at once recognised by the shape of its snout with its high inserted antennas, and the absence of white spots, by its to- tally black colour and especially by the unforked cubital Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lundbeck, William, 1863-. Copenhagen, G. E. C. Gad
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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera
