178 Tachinidae. 



about to middle, the arms curved evenly ventrally and pointed; 

 each arm witli a slight furrow along the inner margin; claspers of 

 about equal length, curved, the anterior dilated in apical part, the 

 posterior pointed. Penis strongly chitinised, without pronounced 

 lobes; the end bent forwards; seen from behind two small lateral, 

 pointed processes are seen near the end. Posterior femora somewhat 

 thinly fringed below and hind tibiæ very sparingly fringed on antero- 

 and posteroventral sides; middle femora with a somewhat dense 

 comb, and with long bristles more basally; hind femora with strong, 

 distant anteroventral bristles. Wings a little tinged; costal segment 

 3 a little longer than 5; subcostal vein bare; a small (or no) costal 

 spine. 



Female. I do not know the female; according to Bottcher it 

 has the frons distinctly narrower than the eye, the præsutural acrosti- 

 chals distinct and the margins of the genital split with partly crossing 

 bristles. 



Length 10 mm (af ter Bottcher 8 — 11 mm). 



S. agnata is rare in Denmark, I know only one specimen, a male, 

 taken on Funen at Veflinge (H. J. Hansen). 



Geographicai distribution: — Europe down into Italy; towards 

 the north to southern Sweden (Ringdahl). 



6. S. crassimargo Pand. 



1896. Pand. Rev. Entom. XV, 195, 38. — 1907. Villen. Ann. Soc. Ent. 

 de Fr. LXXVI, 396. — 1907. Kat. palåarkt. Dipt. III, 478. — 1911. Kram. 

 Abhandl. Nat. Geseli. Gorlitz, 27, 31, Tab. II, Fig. 1. — 1912. Bottch. Deutsch. 

 Ent. Zeitschr. 718, Fig. 12. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 195, 196. 



Male. Frons about half as broad as the eye or a little more. 

 Orbits and face yellowish, seen from in front blackish; jowls grey; 

 frontal stripe black. Outer vertical bristles somewhat individualised. 

 Bristles on cheeks rather small, in more than one row. Jowls black- 

 haired. Occiput grey, with black hairs and pale-haired centrally 

 and below. Antennæ with third joint about one and a half times 

 as long as second, reaching the lower end of the eye. Palpi black. 

 Thorax grey to brownish grey pruinose, the black stripes rather 

 broad and about equal; three postsutural dorsocentrals; a pair of 

 præscutellar acrostichals present or not, but no præsutural. Scutellum 

 with crossing apical bristles. Abdomen grey or yellowish grey pruinose, 

 with the usual tessellation; excavation on second segment stopping 

 before hind margin; third segment with smaller or larger marginal 



