LIST OF DIPTERA. 101 



1. Pachygaster ater. 



Niger; antenna maris fuseescentes, foeminae fulvce; 'pedes flavin 

 femoribus fuscis ; alee limpida?^ basifusca?. 



Vappo ater, Fabr. 



Pachygaster ater, Meig. Zweifl. vii. 103. Zett. Dipt. Scand. i. 152, 

 1. Zeller, Isis, 1840, 532, 7. 



a—f. England. From Mr. Stephens' collection. 



2. Pachygaster tarsalis. 



Subnitida. nigra ; antenna? fuscce, seta albida ; tibia? antica? tota?, 

 posteriores apice tarsique omne s flava ; ala? hyalina, macula 

 stigmaticali pallida, ad basim dimidiatim fumata? ; halteres 

 nigri. 



Pachygaster tarsalis, Zett. Dipt. Scand. i. 152, 2. 



S weden. 



3. Pachygaster Leachii. 



Niger ; antenna? fulvce ; pedes flavi, tibiis posticis apice fusco 

 maculatis ; ala? alba?. 



Pachygaster Leachii, Curt. Brit. Ent. i. 42. 



Pachygaster pallidipennis, Macq. Hist. Nat. Dipt. i. 265, 2. Meig. 

 Zweifl. vii. 104, 2. Zett. Dipt. Scand. i. 153, 3. 



Europe. 



a — -/. England. From Mr. Stepnens' collection. 



4. Pachygaster meromflas. 



Ater ; antenna? rufo-fusca? ; pedes pallidi, femoribus nigris ; ala? 

 immaculata?, venis a basi ad medium atria, 



Pachygaster meromelas, Leon Dufour, Ann. Sci. Nat. 2me Ser. 

 xvi. 264—266. 



France. 



5. Pachygaster minutissimus. 



Foem. Glaber, nitidus, niger ; antenna? fusca?; tibia? tarsique 

 alba ; ala? hgalina?, immaculata?, vena subcostali gemina ; 

 halteres nivei, 



k3 



