Ghilosia. 



159 



in Stæger's collection I think the mentioned specimens may have 

 belonged to velutina, which according to Becker was mixed by Zetter- 

 stedt with intonsa under iiis fraterna, and which in Stæger's collec- 

 tion was named fraterna, probably determined so by Zetterstedt. 



Geographical distribution: — Europe down into Italy, towards the 

 north to middle Sweden, and in Finland. 



15. C. canicularis Panz. 



1801. Panz. Fn. Geim. LXXXII, 20, ? (Sytyhus). — 1822. Meig. Syst. 

 Beschr. 111, 280,3 {Stjrphus). — 1862. Schin. F. A. I, 284. - 1894. Beck. 

 Nov. Aet. Leop. Carol. Akad. LXII, 404,59, Fig. 4. — 1907. Kat. palåarkt. 

 Dipt. III, 24. — Stjrphus hhnantopus Panz. 1798. 1. c. LIV, 9, ^. — 1822. Meig. 

 ]. c. III, 289, 20. — C. himantopus 1862. Schin. F. A. I, 285. — 1902. Beck. 

 Zeitschr. Hymn. Dipt. II, 352,20. — Eristalis auratus Fabr. 1805. Syst. 

 Antl. 244,53. — C. auripila Meig. 1838. 1. c. VII, 124,8. — 1862. Schin. 

 F. A. I, 287. — 1902. Beck. Zeitschr. Hymn. Dipt. II, 355, 8. 



Male. Eyes with somewhat short, brown hairs which åre present 

 only on the upper part with the larger facets. Frons somewhat small, 

 greyish pruinose at the sides, with a longitudinal groove; vertex and 

 frons with long, mixed black and yellow hairs. Epistoma somewhat 

 greyish pruinose, most below theantennæ; 

 it is hollowed below the antennæ, the cen- 

 tral knob large and considerably protruding, 

 between it and the very prominent mouth 

 edge the epistoma is rather hollowed, and 

 it is considerably protruding below and a 

 little descending. Eye-margins not broad, 

 somewhat pruinose, with short, yellovvish 

 hairs. Occiput grey pruinose, especially 

 along the eyes, the colour stopping below 

 the eyes; the hairs are yellowish, above 

 besides some long, black hairs. Antennæ 

 small, third joint squarely roundish, second 

 and third joints brown or brownish red; 

 arista distinctly pubescent. Thorax æneous or greenish black, shining, 

 fmely punctate; it is densely clothed with not long, erect, yellow or 

 dark yellow hairs, on the hind part more or less extensively black- 

 haired, especially in the middle; scutellum with longer, mainly black 

 hairs, but the marginal hairs yellow; sometimes thorax and scutellum 

 almost quite yellow-haired; there are short notopleural, supraalar and 

 postalar bristles, but no scutellar marginal bristles. Pleura with longish, 

 yellow hairs. Abdomen æneous olive, shining, slightly and indefinitely 



Fig. 79. Head of 

 C. canicularis c?. 



