Empididae. 



159 



mens, all females, have been taken; Ermelund, on Fimen at Strib 

 (the author), and on Bornholm at Hasle (H. J. Hansen). The dates 



are 



'k—^h. 



Geographical distribution: — Europe down into Italy; it is not 

 known north of Denmark, but it occurs in England (according to spe- 

 cimens sent to me from Mr. Verrall). 



10. H. maura Fabr. 



1781. Fabr. Spec. his. II, 471, 4 {Empis). — 1805. Fabr. Syst. Antl. 

 139, 9 (Empis). — 1842. Zett. Dipt. Scand. 1, 341, 7. — 1862. Schin. 

 F. A. I, 115. — 1892. Strobl, Verh. zool. bot. Geseli. Wien, XLII, 126, 17. 

 — 1903. Kat. palåarkt. Dipt. II, 253. — Hilara glohulipes: 1822. Meig. 

 Syst. Beschr. III, 3, 2. 



Male. Vertex velvet black; frons grey in the middle, narrowly 

 velvet black at the sides; epistoma grey; palpi blackish, with long, 

 yellowish hairs. Occiput velvet black, with black, below with yellowish 

 hairs. Antennæ black. Thorax black or somewhat brownish black, 

 very slightly shining, with two more shining, longitudinal stripes; 

 viewed obliquely from the side or from in front it is grey or brown, 

 with three black, longitudinal stripes. The brown or 

 grey colour is due to a very shorf pubescence, which 

 generally is grey on the sides, brown on the interstitia 

 between the bristles. The dorsocentral and acrostichal 

 bristles very short, pluriserial, not longer behind, of 

 brown to blackish colour. There are no humeral or 

 posthumeral bristles, two notopleural, a supraalar and 

 a postalar bristle, all black, but short and not much 

 conspicuous; besides there are fine, yellow hairs on the 

 sides of the dise. Pleura grey or brownish grey pruinose. 

 Scutellum with a short, greyish brown pubescence, and 

 with a number (six to ten) rather weak, black marginal 

 bristles. Abdomen greyish black, somewhat shining; it 

 is densely clothed with yellow hairs, which are especially 

 distinct and slightly longer at the hind margin of the 

 segments, but not at all form bristles. Venter similarly 

 coloured and haired. Exterior genitalia not much com- 

 pressed, clothed with yellow hairs, which are somewhat 

 long above. Legs black, somewhat shining, with a yellow 

 pubescence; coxæ greyish pruinose; knees yellowish. H. maura, ironi 

 Femora short-haired ; hind femora with somewhat longer 

 hairs above and below; the hind femora are somewhat thickened and 

 somewhat suddenly narrowed at the apex, and here very slightly serrated 



Fig. 57. 



