174 BIOLOGICAL SURVEY OF 



Cecidomyia Meigen (Itonida Meigen) 



C. NivEiPiLA 0. S. 'Oak fold gall.' Salisbury Cove, Aug. An 



irregular white pubescent gall on the under side of the leaf, 



with a fold on the upper side. 

 C. ocELLARis 0. S. 'Maple leaf-spot.' Common. A yellow 



red-margined blister leaf -gall. 

 C. PELLEX 0. S. Ash bullet gall. Bar Harbor. Round red 



gall on the midrib. 



C. sp.? Toothed purse gall. Common. A flattened pouch 

 gall on the leaves on the shadbush {Amelanchier) . 



Mycetophilidae. Fungus gnats 

 BOLiTOPHiLA Meigen 



B. DisjuNCTA Loew\ Bar Harbor; Seal Cove, June 11- 

 Sept. 10. 



B. MONTANA Coq. Bar Harbor, June 7. 



Symmerus Walker 



S. TEisTis Loew. Bar Harbor, Aug. 10. 



DiADOCiDiA Euthe 



D. FERRUGiNosA Mcig. Loug Poud, June 27. 



AsiNDULUM Wiiinertz 



A. coxALE Loew\ Bar Harbor; Salisbury Cove, Aug. 10-11. 

 A. MONTANUM Roeder, Green Mt. ; S. W. Harbor; N. E. 

 Harbor (Minot), Aug. 17-25. 



Ceroplatus Bose 



C. CLAUsus Coq. Sieur de Monts Spring, Sept. 13, 

 C. MiLiTARis Johan. Sieur de Monts Spring, Sept, 13. 



Platyura Meigen 



P. GENERALis Johau. N. E. Harbor, July 12 (Minot). 



P. MENDOSA Loew. Bar Harbor; Long Pond, July 21-Aug. 10. 



P. FAsciPENNis var. SAGAX Johau. Salisbury Cove, July 27. 



Macrocera Meigen 



M. CLARA Loew. Bar Harbor, July 20-Aug. 10, 

 M. FORMOSA Loew, 'George,' Green Mt,, July 25. 

 M. HiRsuTA Loew. Bar Harbor, July 20. 



;k>' 



