THE MOUNT DESERT REGION 357 



Sciakidae. Tlie Dark-winged Fungus Gnats 

 Any moist place where fungus grows is their habitat. 



Zygoneura Meigeu 



Z. flavicoxa Johan. Bar Harbor, July 22. 



SciAEA Meigen 



S. fumida Johan. Bar Harbor, July 22. 



S. habilis Johan. X. E. Harbor, July 4, also a specimen from 



Duck Br., June 24, '35 that varies somewhat. 



S. hastata Johan. Bar Harbor, July. 



S. ochrolabis Loew. Bar Harbor, July. 



S. quadrispinosa Petty. Bubble Br., June (Alex.). 



S. sciophila Loew. Bar Harbor, Aug. 



S. sylvestrii KiefTer. Echo Lake, July 12. 



S. varians Johan. X. E. Harbor, Aug. 11 (Minot). 



S. sp. Reared from larch, June 15, '43. 



S. sp. Reared ex poplar leaves Hulls Cove, June 27. 



S. sp. Duck Br. (Alex.), June 24. 



Mycetophilidae. The Fungus Gnats 



Are found in moist places such as mossy rocks along wood- 

 land brooks. 



Bolitophila Meigeu 



B. disjuncta Loew. Bar Harbor; Seal Cove, June 11-Sept. 



10. 

 B. hybrida Meig. Found in dark damp places. 

 B. sp. near hybrida Meig. Tremont, May 31. 

 B. Montana Coq. Bar Harbor, June 7. 

 B. sp. Station F190. 



Diadocidia Ruthe 



D. ferruginosa Meig. Long Pond, June 27. 



