DIPTERA. 453 



Genus CHRYSOPS, Meigen. 



Chevsops Sinensis, Fcein. 



Niger ; caput JIavum, vertice cinereo, cullo poslice nigro antice fcrni- 

 gineo ; palpi fulvi ; antenna: fidi-a:, capile longinres, apice nigrce ; 

 abdomen cinereo-nigrum, lateribus basi Jlavis ; pedes fulvi ; alee 

 limpidce, ad costam fusca, fascia ohliquafusea postice attenuata. 



Black. Head yellow , vertex gray ; callus of the vertex black, of 

 the front ferruginous. Palpi tawny. Antenna? tawny, longer than the 

 head, black towards the tips. Pectus gray. Abdomen grayish black; 

 first and second segments pale yellow on each side. Legs tawny. 

 Wings limpid, brown along the costa and with an oblique brown band, 

 which is attenuated towards the hind border. Length of the body 4 lines ; 

 of the wings 8 lines. 



China. 



Genus H^MATOPOTA, Meigen. 



HyEMATOPOTA RUFICOKNIS, Foem. 



Ferruginea ; vertex maculis tribus nigns testaceo marginatis ; 

 palpi nigricantes, basi fulvi ; antenna fiilva, apice obsciiriores ; 

 thorax testaceo triviltatus, lateribus scutello pectoreque albidis ; ab- 

 domen e maculis albidis bivittatu7n, segmentorum inarginibus jms- 

 ticis vittisque duabus ventralibus albidis ; pedes testacei, femoribus 

 apice pieeis, tibiis fasciis tribus tarsisque apice nigricantibus, tibiis 

 unticis nigris albo fasciatis, tarsis anticis nigris ; alee cinerect, ocel- 

 lis plurimis albidis ; halteres albidi. 



Hseinatopa ruficornis? Macq. Dipt. Exot. Suppl. i. 45, ."J. 



Ferruginous. Vertex with three black testaceous-bordered spots ; the 

 middle one hindward and smaller than the others. Head whitish 

 beneath. Palpi blackish, tawny at the base. Antenna; tawny, darker 

 towards the tips. Thorax with three testaceous stripes ; sides, scutelluin, 

 and pectus whitish. Abdomen with two dorsal rows of whitish spots ; 



