272 Tachinidae. 



open, ending near apex of wing; discai angle rectangular with a long 

 veinlet; anal vein reaching the margin; a costal spine present. 



Of the genus two European species are known. one occurring 

 in Denmark. 



1. D. caninum Fabr. 



1781. Fabr. Spec. Ins. II, 440, 24 et 1805. Syst. Antl. 296, 60 {Musca). 

 ^ 1822. Fall. Dipt. Suec. Muse. 41, 9 (Musca). — 1826. Meig. Syst. Beschr. 

 V, 47, 24, Tab. XLIII, Fig. 17 (Dexia). - 1838. Zett. Ins. Lapp. 653, 2 (Musca) 

 et 1844. Dipt. Scand. III, 1263, 1 (Dexia). — 1862. Schin. F. A. I, 560 (Dexia). 

 — 1896. Pand. Rev. Entom. XV, 164, 2 (Microphthalma). — 1907. Kat. palå- 

 arkt. Dipt. III, 446. — 1921. Baer, Zeitschr. f. angew. Entom. VII, 380. — 

 1924. Stein, Arch. f. Naturgesch. 90, 6, 237. 



Male. Frons narrow above. Head yellow pruinose, darkest on 

 orbits, pale downwards on the jowls, these latter reddish in some 

 views; frontal stripe brownish red. Orbits and cheeks with fine, sparse, 

 pale hairs; jowls bare. Occiput yellow, with yellowish hairs and some 

 black hairs above. Antennæ yellow, third joint thrice as long as 

 second or more. Palpi yellow. Thorax bright yellowish, sometimes 

 more greyish yellow pruinose, with four brownish black stripes, the 

 median narrow, abbreviated behind, the lateral divided at the suture 

 into a smaller anterior and a more elongated triangular posterior 

 spot. Thorax with short, black hairs; one posthumeral bristle, some- 

 times a small second, and three intraalar bristles. Abdomen brownish 

 black, yellowish or greyish pruinose, somewhat shifting with brown 

 according to view; third and fourth segment with a somewhat broad 

 dark hind margin, on third segment produced forwards in the middle 



Fig. 73. Wing of D. caninum. 



to a brown triangle. Abdomen black-haired, with marginal bristles, 

 on second segment none, on third a pair (sometimes two pairs) and 

 on fourth a row; fifth segment with two rows of bristles. Legs yellow, 

 tarsi more or less darkened. Wings brown tinged, sometimes rather 



