THE MOUNT DESERT EEGION 291 



BiCRANOTA Zetterstedt 



D, (amalopina) flaveola (0. S.)- Beaver Dam, Bubble Pond, 

 Valley Cove, Beech Mt., Breakneck Brook, Canada Brook, 

 Sieur de Monts Spring, Canyon Brook, June 16-Sept. 12 

 (A) ; Long Pond, Bar Harbor, Echo Lake, July 16-Sept. 10 



(J). 

 D. (eudiceanota) pallida Alex. Canyon Brook, Camp Ground, 



June 20-30 (B). New record for Maine. 

 D. (rhaphidolabis) CAYUGA (0. S.). S. AV. Harbor, Aug. 30- 



Sept. 11 (A). 

 D. (rhaphidolabis) forceps (Alex.). Breakneck Brook, Bubble 



Brook, Bubble Pond Inlet, June 14-16 (A). 

 D, (rhaphidolabis) eubescens (Alex.). Echo Lake, Sept. 8- 



12 (J) ; Beech Mt. and S. W. Harbor, Sept. 10-12 (A) ; 



Station F220, Sept. 15 (P). 



D. (rhaphidolabis) tenuipes (0. S.). Dry Mt., Echo Lake, 

 Aug. 26-Sept. 10 (A) ; Station F238, Oct. 1 (P) ; Ent. 

 Laboratory, Sept. 7 (B). 



OxYDiscus de Meijere (Adelphomyia Bergroth) 



0. americanus (Alex.). Echo Lake ; Beech Mt. ; S. W. Harbor, 

 Sept. 1-12 (A) ; Stations F220 and F239 (P). 



0. CAYUGA (Alex.). S. W. Harbor, Aug. 30-Sept. 11 (A). 



0. MiNUTus (Alex) Canada Brook, Beaver Dam, June 13-17 

 (A); Station F195 (P). 



Epiphragma Osteu Sacken 



E. FASCiPENNis (Say). Sieur de Monts Spring, June 4 (B) ; 

 Eden, June 12 (P) ; Canada Brook, Somes Sound Inlet, 

 Bubble Pond Inlet, Beaver Dam, Canyon Brook, 400 ft., 

 June 16-23 (A). The larva is a burrower in fallen stems 

 such as willow on the banks of temporary ponds, and has a 

 mode of respiration suited to enforced amphibian habits. 



