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During May the forest tent caterpillar defoliated extensive stands of willow 
along the northern hank of the Columbia Biver in Washington State, and in south- 
eastern Oregon an infestation in Coos County was attracting attention. The 
western tent caterpillar ( Malacos ona pluvial is Dyar) occurred in outbreak numbers 
in the Puget Sound region of Washington State, heavily defoliating alder and a 
number of other small trees, including some cultivated fruits. A less serious 
outbreak of this insect occurred in Linn County, Oreg. 
An epidemic of the Great Basin tent caterpillar ( 'Malacos ona fragilis Stretch) 
reappeared in the Deschutes National Forest of Oregon after a lapse of nearly 10 
years. This insect defoliates bitterbrush, an important range plant in that 
region. 
The fall webworm was generally abundant throughout the New England and Middle 
Atlantic States and southward to Georgia and Miss issippi. 
Tne Douglas— fir beetle was present in destructive numbers in parts of Idaho 
and Oregon. In the Shot Gun Valley of Oregon a large percentage of Douglas— fir 
has been destroyed during the last 3 years* 
Dog ticks have been unusually abundant this season, and have remained so 
later than in recent y- j ars in the New England and Middle Atlantic States and 
parts of Wisconsin. 
A caterpillar, Psoudohazis sp*, probably P* he ra Harr., has practically de- 
foliated the snowberry bushes over approximately 150,000 acres in Minidoka Nation- 
al Forest in Idaho. 
