292 Phoridae. 



hairs is not to be seen; anal tube small, dusky yellow or blackish 

 with the apex more or less yellow. Legs from pale brownisli to brownish 

 black, front legs paler, brownish yellow to yellow; front tarsi thick- 

 ened, the last joint darkened to black; hind femora with short hairs 

 below; bristles on hind tibiæ distinct, of a size as in Dahli. Wings 

 yellowish tinged, sometimes only slightly, veins brown ; costa reaching 

 to the middle of the wing or as a rule a little shorter, 1 not double 2, 

 about equal to 2 + 3 or a little longer; costal cilia long; fourth vein 

 a little curved in the basal part, for the rest slightly curved. Halteres 

 black. 



Female. Similar to the male; the four last joints on front tarsi 

 slightly less dilated. 



Length 1,8— 2,2 mm. 



A. alticolella is a common species in Denmark, and often taken 

 numerously; at Copenhagen in Frederiksberg Have, in Ermelund, 

 Holte, Geel Skov, Suserup Skov at Sorø, Bogø soutli of Sealand, on 

 Langeland at Lohals, and in Jutland at Hejls south of Kolding (Th. 

 Mortensen, the author); the dates are ^Ve — ^Vo in 1913 to 1921; 

 I have taken it in copula on ^V?, ^Vs, Vs and ^"/ø. 



Geographical distribution: — Besides in Denmark occurring in 

 England and, according to specimens sent from Pater Schmitz, in 

 Holland. 



50. A. unicolor Schmitz. 

 1919. Schmitz, Entom. Ber. Nederl. Ent. Ver. V, 113. 



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

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

 than to the upper supraantennal ; supraantennal bristles nearly equal, 

 the upper at about the same distance from each other as the inner 

 bristles of middle row, the lower very slightly more approximate. 

 Antennæ of ordinary size, black, arista distinctly pubescent. Palpi 

 yellow, of ordinary size, with well developed bristles. Thorax black, 

 very slightly shining, with blackish brown pubescence. Mesopleura 

 with uniform bristles. Abdomen black, slightly greyish, dull; it has 

 very short hairs as in the preceding species, very slightly longer at 

 the hind margins; at the hind margin of sixth segment the hairs are 

 not elongated, only at the sides slightly longer. Hypopygium not large, 

 with about four small bristly hairs on each side a little upwards; 

 there is a small, rounded, yellowish ventral plate; anal tube not large, 



