Aphiochaeta. 247 



female in Zetterstedt's collection so tliat he established the new 

 species ciibitalis for the male; of this species he mentions a specimen 

 in Boheman's collection, probably the specimen mentioned by Zet- 

 terstedt 1. c. XIV. 



13. A. rubricornis Schmitz. 



1919. Schmitz, Entoni. Ber. Nedeil. Ent. Ver. V, 193 et 1920. Jaarb. 

 Natuurh. Genootsch. Limburg 1919, 137. 



Male. Unknown, 



Female. Frons about quadratic, black, somewhat greyish, diill; 

 bristles strong, inner bristle of middle row a little below the outer, 

 in about the middle between it an the upper supraantennal ; supra- 

 antennal bristles unequal, the lower scarcely half as large as the upper; 

 the upper supraantennals approximate, nearer together than the 

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

 Antennæ smallish, brown, arista short, not longer than the middle 

 line of frons, short-pubescent. Palpi yellow, bristles not long. Thorax 

 black, a little greyish and somewhat shining, slightly reddish about 

 the postalar calli; it has blackish pubescence, somewhat bristly 

 behind, but there is no individualised intraalar bristle as in the three 

 following species. Scutellum with four equsd bristles. Mesopleura 

 bare. Abdomen black, dull, a little greyish, with very short hairs, 

 the second segment has on its protruding sides a series of bristles. 

 Legs brownish, front legs including coxæ yellowish, the base of coxæ 

 and femora more brownish, the posterior coxæ blackish grey and the 

 femora dark brown; hind femora dilated, the upper margin forming 

 an even curve ; they have long hairs below the basal half, and the hairs 

 at the anterior ventral margin in the apical part conspicuous and a 

 little bristly; hind tibial bristles somewhat numerous (12 — 14), strong 

 and ratlier equal. Wings yellowish or light brownish tinged, veins 

 brown, thick veins paler; costa reaching beyond the middle, 1 dist- 

 inctly longer than 2 and about as long as 2 + 3 or fully; costal cilia 

 long; fork longish, acute; fourth vein evenly curved in the whole 

 length, only slightly more in the basal part. Halteres light yellow. 



Length about 3 mm. 



A. rubricornis is rare in Denmark, we have only one specimen, a 

 female, Holte ^Ve 1917 (Th. Mortensen). 



Geographical distribution: — Denmark and Germany. 



