Diptères danica : genres et espèces de mouches trouvés jusqu'ici au Danemark . — Pipiza varipes Meig. 1822. 1. c. 111, 254, 28. — 1843. Zett. Dipt. Scand.II, 841, 21 et 1849. VIII, 3186, 21 et 1859. XIII, 6031, 21. — Pipiza Pipipipizella. 59 annulata Macq. 1827. Soc. Se. Lille, 1827, 181, 15. — 1838. Meig. 1. C. VII, 120, 38. — 1843. Zett. Dipt. Arnaque. II, 842, 22 et 1849. VIII, 3186,22. — Pipizella annulata 1862. Schin. F. A. I, 260. — Pipiza obscuri-pennis Meig. 1838. 1. c. VII, 119, 36. — 1862. Schin. F. A. I, 265. Homme. Sommet et frons æneous ou noir bleuté, à poil jaune, juste au-dessus de la antennæ som

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Diptera danica : genera and species of flies hitherto found in Denmark . — Pipiza varipes Meig. 1822. 1. c. 111, 254, 28. — 1843. Zett. Dipt. Scand.II, 841, 21 et 1849. VIII, 3186, 21 et 1859. XIII, 6031, 21. — Pipiza Pipizella. 59 annulata Macq. 1827. Soc. Se. Lille, 1827, 181, 15. — 1838. Meig. 1. c.VII, 120, 38. — 1843. Zett. Dipt. Scand. II, 842, 22 et 1849. VIII, 3186, 22. — Pipizella annulata 1862. Schin. F. A. I, 260. — Pipiza obscuri-pennis Meig. 1838. 1. c. VII, 119, 36. — 1862. Schin. F. A. I, 265. Male. Vertex and frons æneous or bluish black, yellow-haired, just above the antennæ some black hairs. Epistorna somewhat bluishblack, slightly pruinose, white-haired. Occiput æneous or bluish black, yellowish-haired, at the top the hairs long. Antennæ black or blackish, not so long as epistorna, third joint about twice as long as broad, but somewhat varying in length; arista shorter than the antennæ, thickened in the basal two thirds. Eyes brownish-hairy, the hairs notspecially long; the suture between the eyes rather short, distlnctly. Fig. 12. Antenna of P. virens d, from the outside. x 80. shorter than the vertical triangle. Thorax æneous, densely punctateand densely clothed vvith longish, yellow hairs; scutellum more coarselypunctate, with the hairs at the margin longer. Pleura likewise yellow-haired. Abdomen æneous, densely and coarsely punctate, slightlyshining, most towards the apex; it is clothed with short, yellow orreddish-yellow hairs, longer at the margin and longest at the basalcorners of second segment; at the second and third incisures the hairsare black, and the blackish-haired spaces sometimes somewhat ex-tended. Venter black, shining, with long, pale hairs, the fourth seg-ment with short hairs. Legs black or æneous black, the knees moreor less broadly reddish or yellowish; the tarsi sometimes almost quiteblack, but generally the middle metatarsus more or less yellow, oftenquite yellow; front tarsi generally black but the meta

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