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HEMLOCK 
HEMLOCK SCALE. ( Aspidiotus abietis Schr.) 
Connecticut. E. P. Pelt (May 22): So extremely abundant on a small hemlock 
at Greenwich that it produced badly yellowed foliage and evidences of 
serious injury. 
LARCH 
, LAP.CK CASE3SARER ( Coleophora laricell a Hbn. ) 
Connecticut. W. E.~Brit'ton (May 21): One twig from Handen brought to the 
office. Leaves.: .with distal half mined. Pupae present. 
Vermont. H. L. Bailey (May 25): Very abundant at Dorset, Bennington County, 
southwestern Vermont, and Montpelier, Washington County, central Vermont. 
New York. R. D. Glasgow (May 22): At North Elba on May 12 had nearly all left 
.their hibernation' stations and migrated to the newly opening buds. Very 
rarely had more than one needle in a cluster been mined. This introduced 
insect is slowly destroying the tamarack in northern Hew York forests. 
Large numbers of trees have already died as a result of repeated defolia- 
tion and very -few trees do not show serious injury. 
R. E. Horsey (May 1 and ll): • Very numerous this year on American, 
Siberian, European, Japanese, and other larches at Rochester; none immune. 
First noted on May 1 and still feeding on May 11. 
MAPLE 
_ .,, ' ' .. MAPLE BORER ( Sy nan the don acerni Clem. ) 
Ohio. E. 1. Mendenhall (May 5)'« ■ Troublesome in both hard and soft maples in 
plantings in x>arks and streets. 
COTTONY MAPLE SCALE ( Pulvinaria vitis L. ) 
Alabama. J. M. Robinson (May 26): Active on leaves of maples in Birmingham 
on May lh, 
MAPLE BLADDER GALL ( Phyllocoptes qua dripes Shim.) 
Connecticut. E. P, Felt (May 22): Developing in considerable numbers on 
unsprayed soft maple trees at- North Stamford, although those treated with 
a dormant spray are practically unaffected. 
