168 Phoridae. 



but especially the hind pair, miich dilated; front tarsi somewhat 

 broad; the legs are black or blackish, trochanters and the front legs 

 yellowish except the basal half of femora, the middle metatarsi and 

 the posterior knees reddish; front tibiæ with two dorsal bristles 

 (sometimes three or four), middle tibiæ with a pair at the upper 

 third and one anterodorsal bristle near apex, hind tibiæ with two 

 anterior bristles, one above the middle and one at apex; all bristles 

 rather streng; besides all legs have a number of apical spurs, on the 

 front legs they are short; the hind tibiæ have three dorsal rows of 

 dense, palisade-like arranged hairs, separated by tw^o furrows. Wings 

 somewhat yellowish, rather strongly at base; vein brownish, but 

 yellow at the base, and costa blackish towards apex; costa not reaching 

 the middle, the second division a little thickened, 1 somewhat longer 

 than 2; costal cilia fme and short; third vein with fme hairs in the 

 whole length; fourth vein strongly curved at the base and curved 

 very slightly downwards towards the apex. Halteres black. 



Female. Quite similar to the male, only clypeus a little more 

 protruding; the last exposed abdominal segment (8) red. 



Length 2,8 — 4 mm. 



H. incrassata is not rare in Denmark, though like the preceding 

 not taken in great numbers; Charlottenlund, Ordrup Mose (Stæger, 

 Schlick), Holte (Th. Mortensen), Geel Skov (the author), at Gurre 

 (Kryger) and on Falster (Schiødte); the dates are ^Vs — ^Ve, thus 

 it seems to be autumnal. It is recorded to be parasitical on the 

 honey-bee. 



Geographical distribution: — All Europe, towards the north to 

 southern Sweden. 



3. H. carinifrons Zett. 



1848. Zett. Dipt. Scand. VII, 2885, 33, S (nec ?) {Trineura). - 1901. 

 Beck. Abhandl. zool. bot. Gesell. Wien, I, 38, 29, Taf. II, Fig. 33 [Phora). — 

 1906. Wood, Ent. Month. Mag. 2, XVII, 263 {Phora). - 1910. Kertész, Cat. 

 Dipt. VII, 399. — 1914. Brues, Bull. Wisc. Nat. Hist. Soc. XII, 101. - 1918. 

 Schmitz, Jaarb. Natuurh. Genootsch. Limburg 1917, 114. 



Male. Frons nearly quadratic or a little higher than broad, 

 black and dull; the ocellar triangle formed as an elongated, some- 

 what saddle-shaped and slightly carinate elevation which bears the 

 posterior ocelli behind; no anterior ocellus present; the elevation 

 is bordered on each side by a broad furrow, and it is not more than 

 one third of the breadth of the vertex; the frons is distinctly haired 



