THE MOUNT DESERT REGION 299 



Anisopodidae. IMeigen 



On foliage and tree trunks around wet places is the place 

 for these. 



Anisopus Meigeii 



A. ALTERNATus Say. Bar Harbor; Corfield, Aug. 1-Sept. 9. 



A. FENESTRALis (Scop.). Laboratory window, Oct. 20. 



Blepharoceridae. The Net-winged Midges 

 Found on foliage along the edges of swift streams. 



Blkpharocera M.-ipquart 



B. TENUiPEs "Walk. Duck Brook, June 1.'3. 



Simulidae. The Black Flies 



One collects these almost everywhere here in May and June 

 without the slightest effort. 



SiMULUM Latreille 



S. PARNASSUM Mall. Bar Harbor, July 11. 



S. ^^NusTUM Say. Bar Harbor ; S. W. Harbor, June 7-25. 



Prosimttiatm Eoubaiul 



P. HiRTiPEs Fries. Echo Lake; Green Mt., June 17-July 25. 



Chironomidae, The Midges 



Found for the greater part near water. Dusk is the col- 

 lecting time. 



Tanypus Meigen 



T. cuLciFORMis (L.). Bar Harbor, June 30. Scarce. 



T. carnea Fab. Bar Harbor, July 22-Sept. 13. 



T. HiRTiPENNis Loew, Bar Harbor, Sept. 13. 



T. MELANOPS Meig. Long Pond ; Bar Harbor, June 27-July 19. 



T. MONiLis Linn. Echo Lake, July 12. 



