254 Phoridae. 



half with sparse longish hairs; bristles on hind tibiæ distinct, but 

 somewhat small. Wings yellowish, veins yellow or brownish yellow; 

 costa reaching to the middle or about, 1 longer than 2 + 3 the 

 divisions about as 15 — 8 — 4; costal cilia moderately long; fourth 

 vein evenly curved. Halteres yellow. 



Length 2 mm. 



I possess only one female, it belongs to the darker form; 

 according to Schmitz the thorax may be red and antennæ brownish 

 red, but the colovu^ varying, being often darker. My specimen has 

 been determined by Schmitz. 



A. quadriseta is rare in Denmark, only the one female mentioned 

 has been taken, Bornholm at Rønne in July 1882 (H. J. Hansen). 



Geographical distribution : — Besides from Denmark known from 

 Holland, Germany and Austria. 



19. A. pseudopicta n. sp. 



Male. Frons somewhat broader than high, grey, more or less 

 reddish, dull or dullish; bristles strong, inner bristle of lower row a 

 little below the outer and about in the middle between it and the upper 

 supraantennal (I take this from a specimen with normal bristles, all 

 my other specimens have the bristles curiously abnormal with super- 

 numerary bristles); supraantennal bristles large, equal, the upper 

 as distant as the inner bristles of the middle row, the lower only 

 slightly more approximate. Oral and genal bristles strong and con- 

 spicuous. Antennæ yellow or orange, of normal size, arista very 

 indistinctly pubescent. Palpi yellow, somewhat broad, with well 

 developed bristles. Thorax yellow or brownish yellow, dull, with 

 black pubescence. Scutellum with four equal bristles. Pleura yellow 

 with a blackish spot below the halteres. Mesopleura bare. Abdomen 

 yellow, with black, transverse front bands on the segments, broadest 

 at the sides and interrupted or brownish in the middle, and abdomen 

 thus coloured as in pictw, first segment yellow; abdomen is dull, with 

 short hairs, almost only present at the hind margins of the segments. 

 Hypopygium rather small, grey, with fme hairs on the sides; anal 

 tube yellow, not small. Legs yellow, hind femora a little darkened 

 just at apex and the hind tibiæ at apex on posterior side; the hairs 

 below the basal half of hind femora somewhat long and relatively 

 strong; bristles on hind tibiæ strong. Wings somewhat yellowish, 

 veins yellowish brown; costa reaching to the middle, costal divisions 



