. Fig. 10'^. Wing of H. raptoria. lowish brown; there is no discal and no anal cell, the anal vein wan- ting, and the lower branch of the postical vein only indicated; the radial vein is short; the base of the fork of the discal vein lies a little more apically than the apex of the radial vein. No stigma. Halteres whitish yellow. Female. Agreeing with the male; eyes likewise touching below the antennae and with the facets in front enlarged. Ovipositor black, in front of it a yellow, transverse band. Length 2,8—3,5 mm. H. raptoria has only been taken once, but in rather great num- ber, in Lerso


. Fig. 10'^. Wing of H. raptoria. lowish brown; there is no discal and no anal cell, the anal vein wan- ting, and the lower branch of the postical vein only indicated; the radial vein is short; the base of the fork of the discal vein lies a little more apically than the apex of the radial vein. No stigma. Halteres whitish yellow. Female. Agreeing with the male; eyes likewise touching below the antennae and with the facets in front enlarged. Ovipositor black, in front of it a yellow, transverse band. Length 2,8—3,5 mm. H. raptoria has only been taken once, but in rather great num- ber, in Lersoen at Copenhagen on ^Vs 1841; it was found sitting on reeds. Geographical distribution: — Northern and middle Europe down into France; towards the north to northern Sweden, and in Finland. 5. H. oratoria Fall. 1815. Fall. Dipt. Suec. Empid. 10, 12. et 34. 12 {Tachydromia). — 1822. Meig. Syst. Beschr. Ill, 63, 3, Tab. XXIII, Fig. 12. — 1842. Zett.


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Keywords: ., bookauthorlu, bookcentury1900, bookdecade1900, booksubjectdiptera