_ 3 U5- 
Ohio. E. W. Mcndonhall (August 13): The European eln scale is quite serious 
in a "block of elns in a nursery near Springfield, Clark County. 
FIR 
BALSAM FIR SAWYER ( Mcnochanus narnorator Kby. ) 
Vermont. H. L. Bailey (August 19): Many fir "balsam trees in Orleans County 
show dead twigs due to chewing of bark "by the adult "balsam sawyer. 
linden 
LINDEN WART GALL ( Cecidonyia verrucicola 0. S.) 
Massachusetts. E. P. Eelt (August 2k): The linden wart gall occurred very 
commonly on the lower leaves of lindens in the vicinity of Boston. 
LINDEN BORER ( Saporda vostita Say) 
New York. E. P. Eelt (August 2h): 'The linden "borer is reported as injurious 
to young linden trees at Great Neck, Long Island. 
LOCUST 
A 3UPRESTID ( Agrilus difficilis Gory) 
Nebraska. M. H. Swenk (August 2^4) : On July 2H some honeylocust trees in 
York County were reported infested \7ith "borers. 
MOUNTAIN ASH 
MOUNTAIN ASK SAWFLIES ( pristiphora spp.) 
Vermont and Maine. J. V. Schaffner, Jr. (August 25): This European sawfly, 
P. geniculata Htg. , on mountain ash seems to be present through the ' 
Northeastern States wherever its food plant is at all common. In the 
Green Mountain National Forest, the Middlebury College Forest, and the 
Battell Park, in Vermont, most of the mountain ash observed on August 
h and 5 had "been defoliated, whether in groups or as individual trees 
scattered through the stands of spruce and nixed hardwoods. Defoliation 
by this insect also common in Acadia National Park, Mount Desert Island, 
Maine . 
Maine. H. B. Peirson (August): Mountain ash sawfly (Prist iphora hanks i 
Marl.) has been general over Maine. Many partly to completely defoliated 
trees. 
OAK 
TWIG PRUNER ( Hyperm a llus villostis F. ) 
New England. S. P. Felt (August 2U); The oak twig primer is moderately 
