194 Phoridae. 



females are taken in copula, but I feel sure that also the others belong 

 to this species as the costal divisions sufficiently distinguish this female. 

 Geographical distribution: — Hitherto only known from Den- 

 mark and Silesia. 



4. Ph. aterrima Fabr. 



1794. Fabr. Ent. Syst. IV, 334, 93 (Miisca) et 1805. Syst. Antl. 323, 35 

 {Tephritis). — 1830. Meig. Syst. Beschr. VI, 224, 37. — 1838. Zett. Ins. Lapp. 

 796, 8 et 1848. Dipt. Scand. VII, 2890, 35 {Trineura). - 1864. Schin. F. A. II, 

 347 {Trineura). — 1901. Beck. Abhandl. zool. bot. Gesell. Wien, I, 80, 66, 

 Taf. V, Fig. 74 (75?) [Trineura). — 1910. Kertész, Cat. Dipt. VII, 402 [Tri- 

 neura). — 1914. Brues, Bull. Wisc. Nat. Hist. Soc. XII, 107. — 1918. Schmitz, 

 Jaarb. Natuurb. Genootsch. Limburg 1917, 170 et 1920. ibid. 1919, 120, Fig. 3. 

 - Trineura atra Meig. 1804. Klass. Eiir. Zweifi. I, 313, Taf. XV, Fig. 22. - 

 1823. Fall. Dipt. Suec. Phytom. 7, 7 p. p. — Trineura obscura Zett. 1848. 1. c. 

 VII, 2884, 32. 



Male. Frons somewhat broad, about twice as high as broad or 

 a little broader, of equal breadth, the hairs short; the third row of 

 bristles somewhat convex, the inner bristles somewhat smaller than 

 the others. Thorax with the hairs somewhat short and dense. Hypo- 

 pygium with the left arm of forceps with a fissure dividing it into 

 two lobes, the upper lobe somewhat large with the apical margin 

 concave; the lobe is rugose, but the rugosity does not reach the 

 actual hind margin so that this is not crenelated. Legs black, front 

 tibiæ somewhat paler, yellowish brown on the dorsal and anterior 

 side; they are shorter than the tarsi; front tarsi with the four last 

 joints dilated, but not broader than the end of tibia, fourth joint 

 slightly longer than broad; hind femora with the hairs below short, 

 the basal process rounded, with short hairs on the anterior side; 

 middle tibiæ with one anterior bristle below the base and generally 

 five to six, but also four, dorsal bristles, hind tibiæ with one anterior 

 bristle at the upper third. Wings clear and colourless, at most with 

 a slight indication of yellowish, and just at the base they are yellow; 

 costa black, the other veins blackish brown, thin veins brownish; 

 costa reaching beyond the middle, about 0,53 of the wing-length, 

 but a little varying, 1 shorter than 2 (about 17 — 23); costal cilia 

 moderately long; fourth vein rather curved in the first part, for the 

 rest straight; anal vein visible as a fold to the middle, seventh vein 

 weak, but reaching quite near to the margin. 



Female. Similar except the usual differences; middle tibiæ 

 with one to three dorsal bristles (in my copulated females with 



