Aphiochaeta. 295 



52. A. nigripalpis Lundbk. 



1920. Lundbk. Vidensk. Meddel, fra Dansk naturh. Foren. 71, 10, 11. 



Male. Frons considerably broader than high, greyish black, dull ; 

 inner bristle of lower row somewhat below the outer and nearer to it 

 than to the iipper supraantennal ; supraantennal bristles unequal, 

 the lower somewhat weaker than the upper; the iipper supraantennals 

 approximate, nearer together than the inner bristles of middle row, 

 the lower still a little more approximate. Antennæ black, slightly 

 above ordinary size, third joint rather distinctly pubescent at apex, 

 arista distinctly pubescent. Palpi of fair size, black, the bristles rather 

 strong. Thorax black, nearly dull, with dark brownish pubescence. 

 Mesopleura with uniform bristles. Abdomen black, dull, very slightly 

 greyish; there are short hairs on the hind parts of the segments, a 

 little more visible at the hind margins and only slightly longer at the 

 hind margin of sixth segment. Hypopygium somewhat small, on 

 each side with three or four bristles below in a somewhat oblique 

 row, continued upwards in three vertically placed bristles; anal 

 tube of medium size or somewhat small, black. Legs black, the front 

 legs a little paler, last joint of front tarsi deep black; front tarsi 

 dilated, but not much, metatarsus nearly as broad as tibia; the hairs 

 below the basal part of femora short and not dense; bristles on hind 

 tibiæ small and not numerous, about 12 in number. Wings clear, 

 thick veins blackish, the others almost colourless; costa reaching to 

 the middle, costal divisions about as 13 — 7 — 4; costal cilia long; 

 fourth vein evenly curved. Halteres black. 



Female. Unknown. 



Length 1,8 mm. 



A. nigripalpis is rare, only one specimen, a male, has been taken, 

 Ermelund ^Ve 1919 (the author). 



Geographical distribution: — Hitherto only known from Den- 

 mark. 



53. A. hortensis Wood. 



1909. Wood, Ent. Month. Mag. 2, XX, 114, 143 {Phora). — Brues, 

 Bull. Wisc. Nat. Hist. Soc. XII, 121 . 



Male. Frons somewhat broader than high, greyish black, dull; 

 inner bristle of lower row a little below the outer and nearer to it 

 than to the upper supraantennal; supraantennal bristies unequal, 

 the lower somewhat smaller than the upper; the upper supraantennals 



