186 Tachinidae. 



12. S. aratrix Pand. 



1896. Pand. Rev. Entom. XV, 191, 30. — 1907. Villen. Ann. Soc. Ent. 

 de Fr. LXXVI, 396. — 1907. Kat. palåarkt. Dipt. III, 471. — 1911. Kram. 

 Abhandl. Nat. Gesell. Gorlitz, 27, 28, Tab. I, Fig. 7. — 1912. Bottch. Deutsch. 

 Ent. Zeitschr. 730, Fig. 25. — 1924. Stein, Arcli. f. Naturgesch. 90, 6, 199. — 

 S. Kuntzei Kram. 1905. Zeitschr. Hymn. Dipt. V, 13, Fig. II et 1906. 1. c. VI, 

 216. 



Male. Frons about half as broad as the eye or scarcely. Orbits 

 and face yellowish or yellowish white; jowls grey; frontal stripe 

 black. No outer vertical bristles. Bristles on cheeks weak. Jowls 

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

 hairs in the middle and below. Antennæ with third joint about twice 



as long as second, reaching fully to the lower 

 end of the eye. Palpi black. Thorax greyish 

 pruinose, the black stripes slightly broader 

 than the interstices; four postsutural dorso- 

 centrals, the two anterior a little weak, a 

 pair of præscutellar acrostichals. Scutellum 

 with crossing apical bristles. Abdomen greyish 

 pruinose, tessellated as usual; third segment 

 without bristles. Fourth sternite with de- 

 cumbent hairs. Fifth sternite with the basal 

 part black and polished, raised ventrally to 

 a middle keel, the apex protruding between 

 Fig- 50 5 aratrix ^^^^ lamellæ and bifid ; the lamellæ without 



brush, with dense marginal bristles. Præ- 

 hypopygial segment greyish pruinose, without marginal bristles. 

 Hypopygium black, densely haired; upper forceps long, cleft in more 

 than apical third, in profile with nearly parallel margins, the dorsal 

 margin obliquely cut towards end, so that a long apex is formed; 

 the upper part of forceps has long hairs, below the hairs are quite 

 short, stopping suddenly at the apex which is bare and shining; 

 lower forceps a little elongated. Claspers robust with apex curved 

 and pointed, of nearly equal length. Penis with the end bent for- 

 wards, somewhat pointed; an elongated upper and a pointed lower 

 lobe may be seen. Posterior femora densely fringed below; hind 

 tibiæ long-fringed on antero- and posteroventral sides; also middle 

 tibiæ a little fringed distally on posteroventral side; middle femora 

 with a comb of rather small bristles and with downwards directed 

 posterior bristles at end; hind femora with anteroventral bristles 



