.'I.")!) BIOLOGICAL SIKVKV OF 



IIeteko.myia Say 



II. 11. wnis Meig. Bar Harbor, June 11. 



II. plebja Loew. Bar Harbor, Aug. is. 



11. in i \ Loew. Witch Hole Pond, June 13. 



II. TiiiYiAi.is Loew. Salisbury Cove, July 15. 



Palpomyia Meigeii 



P. nebulosa Mall. Bar Harbor, July 21. 



JOHANNSENOMYIA Malloch 



J. bi.mac ii.ata Loew. Bar Harbor, Aug. 10. 



Probezzia Kicffer 



P. xanthogasteb Kieff. ( P. elegans Coq.). Jordan Pond, 

 June 10. 



Psyciiodidae. The Moth Flies 



Sweep foliage in shady swampy places for these and take 

 great care in preserving your catch. Common on tree trunks 

 after rains. 



Psychoda Latreille 



P. ciNEREA Banks. S. W. Harbor, June 18. 

 P. mabylandana Del. E. Station F395. 



P. signata Banks. Long Pond, Echo Lake; Bar Harbor; 

 June 27-July 24. Record lost. 



Pericoma Walker 



P. slossoni. Will. Bar Harbor; Salisbury Cove, July 19- 



Aug. 11. 

 P. sp. One taken in lab. June 13, '39. 



Dixidae 



Another water frequenter whose larvae live in ponds and 

 the like. 



