236 Tachinidae. [ 



sometimes the median confluent to a broad stripe and sometimes 

 nearly all confluent. Thorax black-haired; no acrostichals or at most 

 a præscutellar pair. Four sternopleural bristles, but only the two 

 upper strong. Abdomen black, shining, the three last segments with 

 white pruinose front bands, shifting in colour according to view, 

 leaving a median stripe and broad hind margins black. Abdomen 

 is densely haired with decumbent black hairs, but there are no distinct 

 bristles except at end of fifth segment. Legs black, tibiæ, especially 

 the anterior, more or less obscurely brownish; tarsi reddish. Wings 

 a little yellowish tinged; veins blackish; apical cross-vein concave. 

 Squamulæ whitish. Halteres yellow. 



Length 3 — 5 mm. 



P. rufitarsis seems to be rare in Denmark, I know only four 

 specimens, all females; Bagsvær, Nyrup Hegn, on Langeland at 

 Lohals and in Jutland at Hov near Odder (the author); the dates 

 are ^^/e— 'V?- Kramer (Abhandl. Nat. Gesell. Gorlitz, 28, 1917, 272) 

 rekords it bred from nests of Coelocrahro cinxius. 



Geographical distribution: • — Europe, known down into Germany; 

 towards the north to southern Sweden. 



2. P. cylindrica Fall. 



1810. Fall. Vet. Acad. Handl. XXXI, 279 et 1820. Dipt. Suec. Muse. 

 8, 13 {Tachina). — 1824. Meig. Syst. Beschr. IV, 375, 234 {TacUna) et 1838. 

 VII, 233, 24 {Miltogramma). — 1838. Zett. Ins. Lapp. 635, 8 {Tachina) et 

 1844. Dipt. Scand. III, 1207, 8 et 1849. VIII, 3254, 8 {Miltogramma). — 1895. 

 Pand. Rev. Entoni. XIV, 305, 5 {Metopla). — 1900. Stein, Ent. Nachriclit. 

 XXVI, 134. — 1907. Kat. palåarkt. Dipt. III, 377. — 1924. Stein, Arch. f. 

 Naturgesch. 90, 6, 126, 1. 



Male. Frons fully as broad as the eye, somewhat strongly pro- 

 truding and cheeks rather broad. Jowls a little broader than in 

 rufitarsis. Orbits yellowish grey, cheeks and jowls silvery ; frontal stripe 

 black or blackish. Vibrissæ ascending high up, but very short and 

 fme. Orbits and most part of cheeks with fine hairs; jowls with black 

 hairs behind. Occiput grey, with black hairs. Antennæ black, third 

 joint about five times as long as second, but sometimes shorter; arista 

 thickened to quite near apex, apparently bare. Palpi black. Thorax 

 grey or a little yellowish grey pruinose, with four dark grey stripes; 

 it is black-haired; a pair of præsutural and præscutellar acrostichals. 

 Two sternopleural bristles and some strong hairs. Abdomen black, 

 greyish white or yellowish grey pruinose; the segments with three 



