Diptera danica : genera and species of flies hitherto found in Denmark . ent. Zeitg. XVIII, 141. —1901. Verr. Brit. Fl. VIII, 660, 1, figs. 451—453. — 1907. Kat. palå III, 155. — Aphritis apiarius Latr. 1804. Diet. Hist. nat. Déterv. XXIV,193, 564. — 1805. Fabr. Syst. Antl. 185, 9 {Mulio). — Musca apiformisDe Geer, 1776. Mém. Ins. VI, 128, 18, Tab. VII, fig. 18—20. — 1. c. III, 163, 1 et 1830. VI, 349 {Microdon). — 1856. Loew bot. Gesell. Wien, VI, 600 {Microdon). Male. Vertex and frons æneous green, shining, punctate; fronsat its narrowest point with an impress
Diptera danica : genera and species of flies hitherto found in Denmark . ent. Zeitg. XVIII, 141. —1901. Verr. Brit. Fl. VIII, 660, 1, figs. 451—453. — 1907. Kat. palå III, 155. — Aphritis apiarius Latr. 1804. Diet. Hist. nat. Déterv. XXIV,193, 564. — 1805. Fabr. Syst. Antl. 185, 9 {Mulio). — Musca apiformisDe Geer, 1776. Mém. Ins. VI, 128, 18, Tab. VII, fig. 18—20. — 1. c. III, 163, 1 et 1830. VI, 349 {Microdon). — 1856. Loew bot. Gesell. Wien, VI, 600 {Microdon). Male. Vertex and frons æneous green, shining, punctate; fronsat its narrowest point with an impressed and impunctate transverseline; vertex and frons with yellow hairs, which are erect above theimpression but below it are declining forwards; above the antennæis a triangular, bare space; epistoma æneous green, densely covered Microdon. 583 with longish, somewhat decumbent, yellow or yellowish white æneous green, the hairs whitish below, yellowish above. An-tennæ black, third joint often more or less brownish; the third joint. Fig. 197. Antenna of 31. mutahilis d, from the inside. X 40. about twice as long as the second; arista much shorter than the thirdjoint, brownish. Thorax æneous green, shining, with traces of somestripes; it is clothed with yellow or reddish yellow hairs. Scutellumbrownish red, sometimes a little æneous at the base; it is denselyclothed with hairs like those on thorax but of a more reddish green with long, yellowish white hairs; the bare, wedge-shapedspace above the front coxæ quite polished. Abdomen black or greenishor bluish black, densely punctate, dull, a little shining at base andapex and here also the most bluish or greenish; it is clothed withshort, decumbent hairs, which are very short and black on a littlernore than the front half of third segment and on the front part offourth segment, but longer and golden or silvery on the hind marginsof second and third segments and on the hinder three
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