182 Tachinidae. 



ventrally at apex so that a little hook is formed; claspers curved, 

 the posterior shorter than the anterior, pointed. Penis with the ven- 

 trally bent end slender and two-pointed, and with a large lofce. Post- 

 erior femora sparingly fringed, middle femora with long ventral 

 bristles but no comb; hind femora with an anteroventral row of 

 long bristles; hind tibiæ more or less fringed antero- and postero- 

 ventrally. Wings somewhat brownish tinged; costal segment 3 a 

 little shorter than 5; siibcostal vein bare; a costal spine present. 

 Squamulæ whitish with yellowish margin, Halteres brownish yellow. 



Female. I do not know the female and it has not been described. 



Length 5 — 7 mm. 



S. soror is rare in Denmark, I possess only two specimens, both 

 males, Lyngby Mose and Stevns (the author); the dates are ^/g — ^^l^j. 



Geographical distribution: — Europe; not known north of 

 Denmark. 



9. S. Villeneuvei Bottch. 



1912. Bottch. Deutsch. Ent. Zeitschr. 347 et 723, Fig. 17. — 1917. Kram. 

 Abhandl. Nat. Geseli. Gorlitz, 28, 21, 233. — 1924. Stein, Arch. f. Naturgesch. 

 90, 6, 195. — S. nigriventris Kram. 1911. 1. c. 27, 32, Tab. II, Fig. 6. 



Male. Frons broad, more than half as broad as the eye; orbits 

 nearly as broad as the frontal stripe. Orbits and face grey, and like- 

 wise jowls; frontal stripe black, seen from in front greyish. Outer 

 vertical bristles strong. Bristles on cheeks long and strong. Jowls 

 black-haired. Occiput grey, with black hairs and yellowish hairs 



only below. Antennæ with third joint some- 

 what broad, about one and a half times as 

 long as second, reaching fully to the lower 

 end of the eye. Palpi black, a little dilated 

 apically. Thorax greyish with the black 

 stripes somewhat broad; three postsutural 

 dorsocentrals; a pair of præsutural, but no 

 distinct or small præscutellar acrostichals. 

 Scutellum without apical bristles. Abdomen 

 grey or a little bluish grey, with usual 

 tessellations; third segment with strong 



T?:^ AH c T/-77 marginal bristles. Sternites with erect hairs. 



tig. 47. iS. Villeneuvei. =• 



Fifth sternite without brush. Genitalia small ; 

 præhypopygial segment black, without marginal bristles, Hypopygium 

 small, black; upper forceps cleft in apical fourth, curved a little 



