1895.] NATURAL SCIENCES OF PHILADELPHIA. 329 



Psilopus n. sp. Lake Worth (Mrs. Slosson.) 



Gnamptopsilopus variegatus Loew. St. Augustine; Welaka, 



May 9; Palatka, May 19. 

 Gnamptopsilopus psittacinus Loew. St. Augustine; Lake 



Worth, January (Mrs. Slosson.) 

 Dactylomyia gracilipes Aldr. 



SYRPHIDJE. 



Microdon pachystylum Will. St. Augustine. 



Microdon fulgens Wied. St. Augustine, pupse found in decayed 



pine logs; Suwannee (Mrs. Slosson). 

 Microdon fuscipennis Macq. Georgiana, July 17 (Whitfeld). 

 Microdon limbus Will. (U. S. Nat. Mus.) 

 Microdon scitulus Will. (U. S. Nat. Mus.) 

 Omegasyrphus baliopterus Loew. Charlotte Harbor (Mrs. 



Slosson). 

 Omegasyrphus coarctatus Loew. Orlando, March 16 (Robert- 

 son ) . 

 Paragus tibialis Fallen. St. Augustine, May 21 ; Palatka, 



May 19. 

 Pipiza pulchella Will. St. Augustine, March 15; Lake Worth 



(Mrs. Slosson). 

 Psilota baccata Macq. Inverness, Feb. 8-12 (Robertson). 

 Chrysogaster nitida Wied. St. Augustine; Tick Island, May 



12; Orlando, May 16; Inverness, Feb. 14 (Robertson). 

 Mesogramma politum Say. St. Augustine. 

 Mesogramma parvula Loew. St. Augustine, May 20. 

 Mesogramma marginatum Say. St. Augustine, May 2; Orlando, 



Feb. 21; Inverness, March 9 (Robertson). 

 Mesogramma boscii Macq. St. Augustine; Charlotte Harbor, Feb. 



(Mrs. Slosson); Orlando, March 15; Inverness, Feb. 29 



(Robertson). 

 Mesogramma planiventris Loew. St. Augustine, May 20. 

 Allograpta obliqua Say. Inverness, Feb. 12, March 12 



(Robertson). 

 Xanthogramma emarginata Say. 

 Syrphus americanus Wied. Lake Worth (Mrs. Slosson); 



Orlando, Feb. 21; Inverness, Feb. 12 (Robertson). 



