LIST OF DIPTERA. 89 



6. Sargus flavipes. 



Aureo-viridis; caput apud antenna albo bipunctatum ; antenna 

 fuscce ; abdomen maris cupreum, foemiuse viola ceum ; pedes 

 Jlavi ; Jemoribus nonnunquam fuscescentibus ; alee rufo- 

 fuscce. 



Sargus flavipes, Meig. Fall. Dipt. Suec. Suppl. 9, 43. Meig. 

 Zweifl. vi. 311. Zett. Dipt. Scand. i. 158, 4. 



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



7. Sargus bipunctatus. 



Aureo-viridis ; caput nigrum, albo bipunctatum ; antenna nigro- 

 fuscce ; abdomen maris cupreum, ioeminse chalybeum basi 

 macula laterali sanguinea ; pedes Jlavi ; alee rufo-fuscce. 



Musca bipunctata, Scopoli, Ent. Cam. 341, 916. 

 Sargus Reaurauri, Fabr. Guer. Icon. Regne Anim. Ins. pi. 98, f. 

 9, Texte, 545. 



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



8. Saegus sulphureus. 



Aureo-viridis ; caput nigrum, punctis duabus albis ; abdomen sul- 

 phureum ; pedes Jlavi ; alee limpidce ; hal teres Jlavi. 



Sargus sulphureus, Meig. Zweifl. iii. 109, 7. 

 France ? 



North America. 

 9. Sargus debilis. 

 Sargus debilis, Diptera Saundersiana, Pt. 2, 83. 



10. Sargus decorus. 



JEneus ; antenna Jlavce, supra nigro-fuscce ; abdomen viridi- 

 aureum ; pedes lutei ; alee fuscescentejlavce. 



I 3 



