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FOREST AND SHADE-TREE INSECTS 
GYPSY MOTH ( Porthetrla dispar L. ) 
Vermont. A, F. Burgess (February 2C): Up to February 10, eight infestations 
had been located in Middlebury, Addison County. 
(February 27): Preliminary examinations indicate a considerable reduction 
in the intensity of infestation in a large part of the area in the 
northern half of the State, between the Connecticut River and the barrier 
zone. In the towns of Colebrook and Harwinton, bordering the barrier zone^ 
more scattered infestations found than ever before, most of them con- 
sisting of a single egg cluster, but an area in Harwinton has been dis- 
covered where the infestation is heavier. 
J. N. Summers (March 13): Two additional infestations found in 
Bristol Township, Addison County, making a total of five in that town. 
Control work done at an infestation in Brandon, Rutland County. 
Massachusetts. J, N, Summers (March 13): Scattered infestation found in 
practically all places where scouting has been done in Shelburne and 
Ashfield, but conditions in Shelburne appear to be not so severe as 
last year, and the infestation decreases west of Ashfield. 
Connecticut, A. F. Burgess (February 20): At Southbury, New Haven County, 
another infested spot has been located about mile from the original 
infestation. (February 27 ) ; Infestation in the Granby area not so 
severe as last year, but considerable spread of scattered infestation 
observed toward the west, (March 6): Some increase in the infestation 
in the West Peak area, near Meriden, Part of this infestation extends 
into Berlin and Southington, the heaviest part being in the latter town. 
In the southern part of the State, infestations have been greatly 
reduced as the resuLt' of control measures, 
Pennsylvania, A. F. Burgess (March 6): During the week of February 19, 
additional infestations were located in the townships of Scranton and 
Clifton, both of which are in Lackawanna County. 
SPRING CANKERWORM ( Paleacrita vernata Peck) 
Pennsylvania, A, B, Champlain (March 24): Adult, wingless females, very 
plentiful in wooded areas in Dauphin County, Many seen on tree trunks 
and twigs, 
Ohio, T. H. Parks (March 25): A few wingless females seen on tree trunks 
between March 10 and 17, Cold weather has greatly retarded emergence. 
Illinois. W. P, Flint (March 26): A few males observed flying at Urbana 
on the night of March 17. 
