544 LIST OF DIPTERA. 



Paragus arcuatus, Meig. Dipt, iii. 179, 3, pi. 27, f. 20, 21. Macq. 



Hist. Nat. Dipt. i. 565, 3. 

 a. England. 



Paragus testaceus, Meig. Dipt, iii 180, 6. Macq. Hist. Nat. Dipt. 

 i. 566, 6. 



a. England. 



b. France. 



Paragus albifrons, Meig. Dipt. iii. 181, 8. Macq. Hist. Nat. Dipt. 



l. 566, 9. P. thymiastri, Latr. Gen. Crust, iv. 326. Cons. 



Gen. 443. Syrphus thymiastri, Panz. Faun. Germ. ix. 12. 



Pipiza albifrons, Fall. Syrph. 60, 6. 

 a. France. 



Paragus tibialis, Meig. Dipt. iii. 183, 13. Macq. Hist. Nat. Dipt. 



i. 567, 14. Pipiza tibialis, Fall. Syrph. 60, 5. 

 a. England. 



Paragus femoratus, Megerle, Meig. Dipt. iii. 184, 14. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 



Paragus obscurus, Megerle, Meig. Dipt. iii. 183, 12. Curt. Brit. 

 Fnt.593,4. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 



Paragus transatlanticus, n. s., fern. Niger abdominis lateribus 

 cano maculatis, antennis pedibusque nigris, tarsis et nonnun- 

 quam tibiisfulvis, alis limpidis. 



Body black, shining : head clothed with very short hoary 

 hairs : mouth tawny : eyes dark red, downy ; facets very small : 

 feelers black ; bristle tawny : chest and breast clothed with very 

 short tawny hairs : abdomen a little broader than the chest, much 

 less than twice its length : sides of the segments adorned with large 

 spots of hoary bloom : legs black, thinly clothed with short tawny 

 hairs ; knees and feet bright tawny, tips of the latter black ; foot- 

 cushions tawny ; first joint of the hind feet black, with a tawny tip ; 

 four front shanks tawny, with a black band on each : wings colour- 

 less : wing-ribs and veins piceous, some of the latter tawny towards 

 the base ; poisers yellow. Length of the body 2i — 2f lines ; of 

 the wings 4 — 5 lines. 



