Hypocera. 167 



taken in single specimens. Ordrup Mose (Stæger), Ermelund, Skods- 

 borg, Egebæks Vang, (the author), Vemmetofte (H. J. Hansen), 

 on Langeland at Lohals, on Funen at Hvidkilde (the author) and on 

 Bornholm at Rø (H, J. Hansen); my dates are ^^5— ^V?; 1 have 

 taken it on bushes in woods. 



Geographical distribution: — All Europe, towards the north to 

 middle Sweden and northern Norway; whether it occurs in North 

 America is uncertain, according to Malloch (Proc. U. S. Nat. Mus. 

 43, 1912, 434) it does not seem to be the case. 



2. H. incrassata Meig. 



1830. Meig. Syst. Beschr. VI, 212, 1, Tab. 63, Fig. 5 (Phora). - 1848. 

 Zett. Dipt. Scand. VII, 2882, 30 {Trineura). — 1864. Schin. F. A. II, 339 

 (Phora). — 1901. Beck. Abhandl. zool. bot. Gesell. Wien, I, 37, 27, Taf. II, 

 Fig. 31-32 {Phora). - 1906. Wood, Ent. Month. Mag. 2, XVII, 263 {Phora). 

 — 1910; Kertész, Cat. Dipt. VII, 400. — 1914. Brues, BuU. Wisc. Nat. Hist. 

 Soc. XII, 102. — 1918. Schmitz, Jaarb. Natuurh. Genootsch. Limburg 1917, 114. 



Male. Frons nearly quadratic, black, dull; instead of the ocellar 

 triangle there is an almost quadratic, somewhat saddle-shaped eleva- 

 tion, which bears the two, rather distant hinder ocelli, one at eacli 

 side, while there is no anterior ocellus; the elevation is more than half 

 as broad as the vertex and bordered on each side by a furrow; its 

 anterior margin is more or less distinctly reddish, and it is hairy 

 behind; the frons is punctate and distinctly hairy on its anterior part; 

 there are three rows of strong bristles but no supraantennal bristles; 

 the middle row is very, the anterior row somewhat convex. Antennæ 

 quite small, black or brownish black; arista nearly nude. Palpi not 

 large, black or blackish, the bristles somewhat short, except one long 

 at apex. Thorax black, shining, with dense, but very short blackish 

 pubescence and with one pair of dorsocentral bristles. Scutellum 

 flat above, with four bristles, the posterior strong, the anterior very 

 much smaller. Mesopleura hairy above on the anterior part. Ab- 

 domen black, a little greyish, dull, second and sixth segments a little 

 elongated; the first segment with a pale hind margin and the others 

 sometimes reddish at the hind margins; abdomen has very short 

 hairs, longer only at the sides of first and second segments. Hypopy- 

 gium small, black, polished and shining above, the protruding parts 

 of the subanal body reddish; it has longish hairs below at apex; 

 anal tube short, but protruding, reddish, with short hairs; ventral 

 plate roundly excised, horse-shoe-shaped. Legs robust, all femora, 



