Agathomyia. 21 



erect black hairs; bristles on sixth segment rather strong. Legs paler 

 or darker brown to blackish; hind tibiæ a little dilated, hind meta- 

 tarsus slightly or almost not dilated. Front femora with cilia above 

 and below in apical part, and hind femora somewhat long-fringed 

 above and below; all tibiæ with short bristles on dorsal side; the 

 special bristles present viz the peculiar at base of front femora, 

 the one at apex of front tibiæ, a dorsal bristle on middle tibiæ, one 

 somewhat strong below near base of middle metatarsus, or there 

 is sometimes a couple at base or one longer outwards, the strong 

 blunt bristle near base below hind femora and further a small bristle 

 below near base of hind metatarsus. Wings clear, uncoloured or 

 slightly yellowish, but third costal segment somewhat yellow; veins 

 blackish. Squamulæ brownish black. Halteres black. 



Female. Of somewhat difTerent appearance. Frons broad, grey. 

 Antennæ blackish brown or sometimes paler, especially at base. 

 Palpi yellowish. Thorax grey or more brownish. Abdomen velvet 

 black, the four first segments grey above with a velvet dorsal middle 

 line, more or less interrupted into spots, sometimes the grey less 

 developed, only as side spots. Abdomen short-haired, except at base, 

 sixth segment with hindmarginal bristles all round. Legs yellow 

 or brownish yellow, tarsi blackish towards end; hind legs scarcely 

 dilated at all, yet fourth tarsal joint drawn obliquely out at anterior 

 apical corner, and middle tarsi with the three middle joints a little 

 dilated, the fourth joint as on hind tarsi. The legs shorter-haired than 

 in male, hind femora with a longer fringe above; of bristles only the 

 apical spur and dorsal bristle on middle tibiæ, and the bristle below 

 hind metatarsi are present. Halteres yellow. 



Length 2,7 — 3,5 mm. 



A. antennata is not rare in Denmark, Frederiksberg Have at 

 Copenhagen, Ordrup (Stæger), Ermelund, Lyngby Mose, Bagsvær, 

 Geel Skov, on Langeland at Lohals (the author), in Jutland in Greis- 

 dal (Schlick) and at Ry and Svejbæk (the author); the dates are 

 ^/e — Vo- It occurs on leaves of bushes and in low herbage. 



Geographical distribution: — Northern and middle Europe 

 down into France; towards the north to middle Sweden, and in 

 Finland. I have examined Zetterstedt's types in Lund. 



Remarks: I possess two specimens, males, whicli are somewhat 

 different; third antennal joint is rather short, wings rather strongly 

 yellow, at the base of middle metarsus there are four or five bristles, 

 and a bristle also on front tarsi below near base; they are large spec- 



