338 Tachinidae. 



generally ending rather near apex of wing, sometimes at a longer 

 distance from it; a small or no costal spine. 



The species are parasitic on many various Heterocera, one is also 

 known from a Tenthredinid ; libatrix, porcula and pullata are known 

 to belong to Pantel's group 2. 



At most about 10 European species seem to be known; 5 have 

 been found in Denmark. . 



Table of Species. 



1. Species all brownisli yellow pruinose 1. libatrix. 



— Not yellow pruinose species 2. 



2. Only one anterodorsal bristle on middle tibiæ; generally 



four sternopleural bristles 4. roseanae. 



— More tlian one anterodorsal bristle on middle tibiæ 3. 



3. Three sternopleural bristles 4. 



— Four sternopleural bristles 5. Bottcheri. 



4. Scutellum unicolorous ' 2. porcula. 



■ — Scutellum yellow on apical part 3. pullata. 



1. Z. libatrix Panz. 



1798. Panz. Faun. Germ. LIV, 12 (Musca). — 1824. Meig. Svst. Beschr. 

 IV, 400, 281 {Tachina) et 1838. VII, 256, 46 (Exorista). — 1844. "Zett. Dipt. 

 Scand. III, 1163, 164 (Tachina). — 1862. Schin. F. A. I, 464 {Exorista). — 

 1891. B. B. Denkschr. Akad. Wiss. Wien, LVIII, 333, [Myxexorista). — 1907. 

 Kat. palåarkt. Dipt. III, 278. — 1907. Villen. Wien. Ent. Zeitg. XXVI, 254, 

 42. — 1921. Baer, Zeitschr. f. angew. Ent. VII, 153. — 1924. Stein, Året. f. 

 Naturgesch. 90, 6, 77, 14 {Exorista). — Tachina fauna Meig. 1824. 1. c. IV, 

 393, 268 et 1830. VI, 368 et 1838. VII, 256, 34 {Exorista). ^ 1862. Schin. F. A. I, 

 464 {Exorista). — 1900. Villen. Bull. Soc. Ent. de Fr. 159, 11, 12 et 1907. Wien. 

 Ent. Zeitg. XXVI, 248, 5. — 1907. Kat. palåarkt. Dipt. III, 278. 



All brownish yellow pruinose species. Male. Frons above a little 

 narrower than the eye, somewhat protruding. Orbits much broader 

 than frontal stripe, yellow or almost golden; cheeks yellow above, 

 silvery whitish below; jowls grey, nearly one third of the height of 

 the eye; frontal stripe narrow, widening downwards, velvet black 

 or brownish black. Weak outer vertical bristles present. Frontal 

 bristles descending fully to the end of second antennai joint, two 

 uppermost reclinate. Vibrissæ ascending fully to the middle, the upper 

 ones small. Orbits and jowls with black hairs. Occiput yellowish 

 grey, with yellowish hairs, and black hairs behind postocular bristles. 

 Eyes pale-hairy. Antennæ black, third joint about four times as 

 long as second; arista as long or fully as long as antennæ, thickened 



