404 Phoridae. 



middle row, the lower more approximate. Antennæ black, of ordinary 

 size, arista quite short-pubescent. Palpi somewhat large, deep yellow, 

 with well developed bristles. Thorax black, somewhat shining, with 

 brown pubescence. Mesopleura bare, shining below, Abdomen black, 

 slightly greyish, dull; the hairs very short, a little more visible at 

 the hind margins of the segments and a little longer at the hind 

 margin of sixth segment. Hypopygium small, greyish black or greyish 

 brown, with numerous, somewhat longish hairs below on the sides; 

 below^ there is a flap-li ke, yellowish ventral plate, not reaching to 

 the end of the hypopygium; anal tube short and high, dark at the 

 base, paler to yellow towards the end. Legs yellowish or yellowish 

 brown, the hairs below the basal half of hind femora long and sparse 

 and somewhat strong; bristles on hind tibiæ rather strong. Wings 

 slightly yellowish tinged or almost clear, veins brownish; costa about 

 0,40 of the wing-length, costal divisions about as 28 — 9 — 6, thus 

 1 not quite double 2+3; angle at fork rather acute; costal cilia long, 

 but somewhat moderately; fourth vein slightly and evenly curved. 

 Halteres black. 



Female. Similar; hind femora likewise with long hairs below; 

 angle at fork fully as acute as in the male. 



Length 2 mm or about. 



A. maiira is not exactly common in Denmark; Geel Skov (the 

 author), Holte, Suserup Skov at Sorø (Th. Mortensen), and in Jutland 

 at Hejls south of Kolding (the author); the dates are ^^U — ^^/i2 in 

 1917 to 1921. The specimen from ^Vi2 was brought in from the wood 

 with a Christmas tree. 



Geographical distribution: — Besides from Denmark only known 

 from England. 



141. A. Mortenseni Lundbk. 



1920. Lundbk. Vidensk. Meddel, fra Dansk naturh. Foren. 71, 25, 29. 



Male. Frons considerably broader than high, black, very slightly 

 greyish and with an indication of being shining; inner bristle of lower 

 row somewhat below the outer and about equally distant from it 

 and from the upper supraantennal; supraantennal bristles not large, 

 nearly equal, the lower only slightly smaller than the upper; the 

 upper supraantennals about equally as distant as the inner bristles 

 of middle row, the lower close below the upper and more approximate. 

 Antennæ rather large, black, arista very short-pubescent. Palpi 



