. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Aphiochaeta. 301 occur which I do not dare to determine with certainty. — I have com- pared my specimens with types kindly sent me from Pater Schmitz. A. hirticrus is rather common in Denmark; Ermelund, Dyre- haven, Holte, Gael Skov, Hillerod, Bogo south of Sealand, Lohals on Langeland, and in Jutland at Hejls south of Kolding, Ry, Egense Skov at the east end of Limfjorden and Frederikshavn (Th. Mor- tensen, H. J. Hansen, the author); the dates are ^Vs—'/lo. I have generally taken it in woods in low herbage in hu
. Diptera Danica: genera and species of flies hitherto found in Denmark. Diptera. Aphiochaeta. 301 occur which I do not dare to determine with certainty. — I have com- pared my specimens with types kindly sent me from Pater Schmitz. A. hirticrus is rather common in Denmark; Ermelund, Dyre- haven, Holte, Gael Skov, Hillerod, Bogo south of Sealand, Lohals on Langeland, and in Jutland at Hejls south of Kolding, Ry, Egense Skov at the east end of Limfjorden and Frederikshavn (Th. Mor- tensen, H. J. Hansen, the author); the dates are ^Vs—'/lo. I have generally taken it in woods in low herbage in humid localities and also on the leaves of bushes, especially on young Acer. It was for the lirst time taken in 1881. Geographical distribution: —- Denmark, Holland and Germany. 57. A. indifferens Lundbk. 1920. Lundbk. Vidensk. Meddel. fra Dansk natmh. Foien. 71, 14, 16. — A. longiciliata Lundbk. (nee Strobl, Wien, Ent. Zeitg. 1899) 1. c. 11, 12. — Lundbk. 1. c. 132. Male. Frons somewhat broader than high, greyish black, dull; inner bristle of lower row somewhat below the outer and nearer to it than to the upper supraantennal; supraantennal bristles unequal, the lower about half as strong as the upper; the upper supraantennals. Fig. 95. Wing of A. indifferens (J. more approximate than the inner bristles of middle row, the lower direct beneath the upper, not more approximate. Antennae of ordinary size, black or blackish, arista distinctly pubescent. Palpi yellow or a little dusky, well developed, with ordinary bristles. Thorax black or greyish black, nearly dull, with brown pubescence. Mesopleura with uniform bristles. Abdomen somewhat robust, black, sHghtly greyish, dull; it has short hairs on the hind parts of the segments, more distinct at the hind margins and at the sides, especially at the hind corners of second segment; at the hind margin of sixth segment they are a little longer. Hypopygium not small, greyish, produced downwards and thus higher than l
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