Diptera danica : genera and species of flies hitherto found in Denmark . r, Zeitschr. f. angew. Ent. VII,369. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 127, 2, p. p. — Stomoxys minutaFabr. 1805. Syst. Antl. 282, 17. — 1849. Stæg. apud Zett. ]. c. VIII, 3211, 3{Siphona). — 1894. Pand. 1. c. XIII, 108, 5 {Siphona). — S. nigrovittata Syst. Beschr. IV, 157, 4. Male. Similar to the other species, but the head longer and lesshigh, the eyes reaching just to the large vibrissa; jowls a little broader than in cristata. Orbits greyish;cheeks generally hairy to themiddle or below. Antennæ not
Diptera danica : genera and species of flies hitherto found in Denmark . r, Zeitschr. f. angew. Ent. VII,369. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 127, 2, p. p. — Stomoxys minutaFabr. 1805. Syst. Antl. 282, 17. — 1849. Stæg. apud Zett. ]. c. VIII, 3211, 3{Siphona). — 1894. Pand. 1. c. XIII, 108, 5 {Siphona). — S. nigrovittata Syst. Beschr. IV, 157, 4. Male. Similar to the other species, but the head longer and lesshigh, the eyes reaching just to the large vibrissa; jowls a little broader than in cristata. Orbits greyish;cheeks generally hairy to themiddle or below. Antennæ notlarge, third joint scarcely thriceas long as second. Thorax greyishpruinose, and there seems alwaysto be four postsutural dorsocen-trals. Abdomen greyish or brown-ish grey, as a rule yellowish at thesides of second and third segment,but sometimes very slightly yel-lowish or quite grey; there is apair of marginal bristles on secondsegment. Legs yellow, sometimessomewhat darkened towards black-ish, especially femora; tarsi Similar; antennæ mth. Fig. 100. Head of B. geniculata (J, third joint smaller. Abdomen quite grey. Length 4—5,5 mm. Remarks: The species varies, as seen, somewhat in colour and insize, the smallest and darkest specimens forming the species minutaby Stæger. B. geniculata is common in Denmark; Utterslev Mose, Amager,Gentofte, Charlottenlund, Ordrup Mose, Dyrehaven, Fure Sø, Geel Bucentes. 475 Skov, Ruderhegn, Ryget Skov, Frerslev Hegn, Tisvilde, Jægerspris;on Rogø south of Sealand; on Møen; on Langeland at Lohals; on
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