. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 294 Orthorrhapha brachyceta. Female. Epistoma broad, whitish grey; palpi large,grey. Antennae short, the third joint almost as broad as long, somewhat stubby, the arista twice as long as the antenna?. Scutellum steel-blue as in the male. Wings brown. Length 3,8 mm. X. auctum is very rare in Denmark, we have only one specimen, a female, taken on Funen at Odense (H. J. Hansen). I take it to be auctum on account of its short antennae, the preapical bristle on the hind femora, the number of coxal bristles, the relati
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. 294 Orthorrhapha brachyceta. Female. Epistoma broad, whitish grey; palpi large,grey. Antennae short, the third joint almost as broad as long, somewhat stubby, the arista twice as long as the antenna?. Scutellum steel-blue as in the male. Wings brown. Length 3,8 mm. X. auctum is very rare in Denmark, we have only one specimen, a female, taken on Funen at Odense (H. J. Hansen). I take it to be auctum on account of its short antennae, the preapical bristle on the hind femora, the number of coxal bristles, the relative length of the tarsal joints, and the steel-blue scutellum. Geographical distribution:— Northern and middle Europe down into Austria; its northern limit is in Denmark, and it occurs in England. 4. X. caliginosum xMeig. 1824. Meig. Sysl. Beschr. IV. 29, 4 (Rhuphium), et 1838. VII, 151,4 {Porphyrops). — 1843. Zett. Dipt. Scand. II, 461, 4 p. p., et 1849. VIII. 3059, 4, et 1853. XI, 4274, 4 {Rhaphium). — 1850. Loew, Stelt. ent. Zeitg. XI, 130, 28, Tab. I, Fig. 32^33 (RhaphiumY - 1862. Schin. F. A. I, 194 {Rhaphium). — 1903. Kat. palaarkt. Dipt. II, 334. — Hijdrochus lati- cornis Fall. 1823. Dipt. Suec. Dol. 6, 3 p. p. — Rhaphium macrocerum Meig. 1824. Syst. Beschr. IV, 29,3, et 1838. VII, 151,3 (Porphi/rops). — 1843. Zett. Dipt. Scand. II, 460, 3 p. p. — Porphyrops nemoralis Meig. 1824. Syst. Beschr. IV, 52, 15. — Rhaphium xiphias Meig. 1824. ibid. IV, 30, 5. — Porphyrops xiphias Meig. 1838. ibid. VII, 151, 5. Male. V^ertex and frons cyan-blue. Epistoma somewhat narrow, silvery white. Palpi small, grey. Occiput slightly greenish, grey pruinose; postocular hairs black above, white below. Antennae Fig. 91. Antenna of X. caliginosum c?. X 60. long, the third joint very elongated, band-shaped, about four times as long as the very short arista. Thorax dark greenish, aeneous or some- what coppery, shining; scutellum brighter green or sometimes bluish. Pleur
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