652 LIST OF DIPTERA. 



green ; shanks tawny ; feet and tips of shanks dark tawny : wings 

 colourless ; wing-ribs pitchy ; veins black ; poisers tawny. 



a. United States. Presented by the Entomological Club. 



Chrysotus nigripes, Meig. Dipt. iv. 42, 6. Macq. Hist. Nat. Dipt. 

 i. 447, 4. Musca nigripes, Fabr. Ent. Syst. iv. 341, 122. 

 Dolichopus nigripes, Fabr. Syst. Antl. 269, 12. D. gramineus? 

 Fall. Dolich. 19, 24. Chrysotus gramineus? Zett. Ins. Lapp. 

 705, 2. 



a. England. Presented by F. Walker, Esq. 



b. France. 



Chrysotus laesus, Meig. Dipt. iv. 43, 7. Macq. Hist. Nat. Dipt. i. 



447, 5. Dolichopus laetus, Wied. Zool. Mag. i. 75, 21. 

 a. England. Presented by F. Walker, Esq. 



Chrysotus laetus, Wied. Meig. Dipt. iv. 43, 8. 

 a. England. Presented by F. Walker, Esq. 



Porphyrops, Meigen. 

 Group I. Holiday, Zool. Journ. v. 354. Argyra, Macquart. 



Porphyrops diaphanus, Meig. Dipt. iv. 46, 1, pi. 35, /. 5. P. 

 versicolor, Meig. Dipt. iv. 50, 9, fern. P. leucocephalus ? 

 Meig. Dipt. iv. 49, 8, fern. ? vi. 362. Zett: Ins. Lapp. 712, 17. 

 Musca diaphana, Fabr. Sp. Ins. ii. 448, 70. Ent. Syst. Suppl. 

 564, 126. Gmel. Ed. Syst. Nat. v. 2852, 229. M. ludens ? 

 Harr. Ex. 157, pi. 47, f. 3. Dolichopus diaphanus, Fabr. Syst. 

 Antl. 270, 18. Fall. Dolich. 16, 19. Zett. Ins. Lapp. 712, 17. 

 Argyra diaphana, Macq. Hist. Nat. Dipt. i. 456, 1, pi. 10, 

 /. 25. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 



Porphyrops argyrius, Meig. Dipt. iv. 46, 2. Argyra argentata, 

 Macq. Hist. Nat. Dipt. i. 457, 2. 



a. England. Presented by F. Walker, Esq. 



b. France. 



Porphyrops argentinus, Meig. Dipt. iv. 47, 3. 



a. England. 



b. England. Presented by F. Walker, Esq. 



