. Fig. 89. Wing of Cl. nigra. pale hairs, towards the end of the hind tibiæ they are a little longer; below the front femora there are two rows of very short, chiefly black, spine-like bristles. Wings somewhat blackish tinged. Veins black; costa only with fine hairs. Balteres black. Female. Quite similar to the male except the ditferences in the exterior genitalia; front femora without bristles. Length 3,4—4 mm. Cl. nigra has first been known as belonging to our fauna in this year (1910), when I caught it at Hald near Viborg in Jutland, on 25/6 and ^'^/e; it was present in great numbers at a s
. Fig. 89. Wing of Cl. nigra. pale hairs, towards the end of the hind tibiæ they are a little longer; below the front femora there are two rows of very short, chiefly black, spine-like bristles. Wings somewhat blackish tinged. Veins black; costa only with fine hairs. Balteres black. Female. Quite similar to the male except the ditferences in the exterior genitalia; front femora without bristles. Length 3,4—4 mm. Cl. nigra has first been known as belonging to our fauna in this year (1910), when I caught it at Hald near Viborg in Jutland, on 25/6 and ^'^/e; it was present in great numbers at a saw-mill, sitting on a boarding constantly washed by water; it was taken severa] times in copula. Geographical distribution: — Europe down into France; its northern hmit seems to lie in Denmark. II. Subg. Heleodromia Hal. Wings more or less spotted on account of a seaming of the cross-veins. No stigma. The discai cell not long, truncate at the apex; anal vein long, nearly reaching the margin. Glypeus not separated from the epistoma, \vith the margin straight. Jowls not descending below the eyes, and hence the cheeks and jowls not con-
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
