252 Tachinidae. 



second joint clistinct, slightly elongated. Thorax rectangular; three 

 postsutural dorsocentrals; an indistinct pair of præsutural and a 

 pair of præscutellar acrostichals ; two intraalar bristles. Scutellum 

 with two marginal bristles on each side, small basal and subapical 

 may also be present. Three sternopleural bristles. Pteropleura with 

 a small bundle of hairs above. Abdomen elongated conical; excavation 

 on second segment quite small; only marginal bristles, on second 

 segment a pair. Legs somewhat short and robust, with femora, 

 especially front femora a little thickened; claws and pulvilli in male 

 not much elongated. Wings with first posterior cell petiolate, ending 

 near apex of wing; discai angle obtuse; a costal spine present. 



The species umbratica and atramentaria are known as parasitic 

 on Oniscus asellus, umbratica has also been taken in such a way that 

 it is probable that it may be parasitic on Callidium violaceum. 



About 25 European species are recorded, most southern forms; 

 one occurs in Denmark. 



1. S. umbratica Fall. 



1820. Fall. Dipt. Suec. Eliizom. 7, 6 {Ocyptera). — 1844. Zett. Dipt. 

 Scand. III, 1230, 1 et 1859. XIII, 6162, 1 (Rhinophora). — 1907. Kat. palåarkt. 

 Dipt. III, 457. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 191, 15. — Rhino- 

 phora luguhris Zett. 1855 1. c. XII, 4706, 1 — 8. — Rhinophora simplicissima 

 Loew, 1847. Stett. Ent. Zeitg. VIII, 270, 10. — 1862. Schin. F. A. I, 546. — 

 1896. Pand. Rev. Entom. XV, 131, 4 {Phyto). — 1907. Villen. Ann. Soc. Ent. 

 de Fr. LXXVI, 393. — Phyto Rondanii Pand. 1896. 1. c. XV, 131, 5. — 1907. 

 Villen. 1. c. 393. 



Male. Frons broad, broader than the eye. Orbits black above, 

 downwards together with the cheeks silvery grey; jowls grey; frontal 

 stripe velvet black. Ocellar bristles very small; one orbital bristle 

 (in my sole specimen). Orbits and cheeks with fine black hairs, below 

 on the cheeks some bristles; jowls with black hairs only below. 

 Occiput blackish grey, with black hairs. Antennæ black or brownish 

 black, third joint as long as second; arista thickened at base. Palpi 

 yellowish. Thorax black, shining, with two greyish pruinose stripes 

 just in front so that here the beginning of three black stripes is present. 

 Thorax black-haired. Abdomen black, shining, third and fourth 

 segment with a slight silvery pruinose front band, interrupted in the 

 middle. Abdomen black-haired, with marginal bristles, a pair on 

 second and third and a row on fourth and fifth segment, the latter 

 row dense. Legs black, femora, especially front femora somewhat 



