440 BIOLOGICAL sriiYEY OF 



Dipeion Schrank 



1). hercyniae III- Bar Harbor, July L9 Aug. 8 (Br.). 

 D. simile Htg. [ntroduced Pine Sawfly. Beared from Pinns 

 strobus, May 15-June 8 (Br.). 



Crabronidae 



CSABBO Geoffrey (Cimbe.r Olivier) 



C. amerk ants Leach. American sayfly or "Willow worm." 

 Bar Harbor; Corfield; Green Mt. summit; Eden, July 13- 

 Aug. 15. The larva feeds on willow, poplar, elm, etc. The 

 large white larva is conspicuous on willow. 



('. americanus var. albus (Xort.). Seal Cove (Sanford) ; 

 Salisbury Cove; Corfield, June 20-July 24. 



C. AMERiCANTJS var. LAPORTEi LePel. Eden, July 24. 



Trichiosoma Leach 



T. Triangulum Kby. Newport Cove ; Great Head; Corfield; 



Breakneck Road; Eden, June 16-July 23. The larva feeds 



on willow, cherry, alder, etc. 

 T. CRASSUM Kby. Mt. Desert (Br.), June 22. One in U. S. 



X. M. 



Pamphiliidae. Leaf -rolling sawflies 



ACAXTHOLYDA A. COSTA 



A. luteopicta Roh. Bar Harbor, July 11) (Minot). 

 A. lyda bruxniceps ( 'less. Nurseries July 6 (Salman). 

 A. OCHROCERA (Xort.). Bar Harbor (Dr. Thorndike). 

 A. pini Roh. Reared from white pine, Aug. 2 (Br.). 

 A. pullata Cress. X. E. Harbor, Aug. 10 (Minot). 



Cephalcia Panzer 



( '. i Ascii'K.xxis Cress. Bar Harbor, June (5 (Br.). 

 C. n.sp. Salisbury Cove, July 12. 



Pami'hilh s Latreille 

 I*. ochreatus Say. Bar Harbor, June 7 (Br.). 

 P. pallemacula Nort. S. W. Harbor, July 15. 

 I'. rupopasciatus Xort. Newport Cove ; Great Head, July 11. 



