6
—Lancaster Farming, Saturday, July 24,1971
Forest Service Reports Insect Conditions in U. S.
trol measures to reduce forest
insect populations to manage
able levels. More attention was
given to determining the econo
mics of control, and cost
benefit evaluations were made
for the spruce budworm and
the mountain pine beetle in
lodgepole pine. It is planned
that other major forest insects
will undergo similar economic
analysis.
Heavy gypsy moth defoliation
was reported on about one mil
lion acres in New England and
adjoining States during 1970.
The forest tent caterpillar de
foliated almost two million
acres in Minnesota, 250,000
acres along the Ohio-West Vir
ginia border, and 110,000 acres
along the Maryland-Pennsyl
vania border.
These and other facts are
described in the 21st annual re
port on the scope, severity, and
trends of the more important
forest insect infestations in the
United States The report, en
titled "Forest Insect Condi
tions in the United States,
1970,” is issued annually by the
Division of Forest Pest Control,
Forest Service, U S. Depart
ment of Agriculture
The gypsy moths and tent
caterpillars were the major
threats to trees in the Central
States and the Northeast, but
they were only two of 25 species
of active defoliators which caus
ed more than seven million
acres of defoliation during the
year. In the West and South,
bark beetles were the domin
ant marauders, killing several
billion board feet of softwood
timber. As a result, the Forest
A Friendship Bridge
A second international
bridge is to be built this year
across the Rio Grande be
tween Laredo, Texas, and
Nuevo Laredo, Mexico, on the
Pan American Highway.
The Farm Family
Life Insurance
Company
Takes Pride
In Announcing That
WIL SOLLENBERGER
was the top agent at the
Mid- Summer Training
Conference held recently,
for outstanding achieve
ment during the first six
months and is also
Agent Of The Month
IN PENNSYLVANIA
for his performance
IN JUNE, 1971
CONGRATULATIONS,
WIL!
His performance exempli
fies the high standards of
service to policyholders
expected of Farm Family
agents.
V Farm
Np Family
II LIFE INSURANCE COMPANY
■ ■ CIENMONT NEW VOHX
Service is stepping up research
in both defoliation and bark
beetles.
During the past year, 714
million acres of the Nation’s
forested lands were examined,
both from the air and on the
ground, by Federal Pest Con
trol personnel to detect and ap
praise forest pest infestations.
Twenty-seven states participat
ed in the program, sharing in
the cost of surveys and evalua
tion on non-Federal lands
Commenting on the value of
the report, Chief of the Forest
Service Edward P. Cliff said:
“Although compiled primarily
for public and private land
managers to keep them abreast
of insect conditions on their
own and neighboring lands, the
report is also useful to stu
dents and others interested in
forest insects and their effect
on the environment. Volumes
kept over the years will serve as
useful historical records of for
est insect trends and occur
rences of outbreaks.”
Chief Cliff said that Forest
Pest Control personnel in the
South are utilizing a time-shar
ing computer system to assist
them in analyzing data collect-
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ed during surveys and pilot con
trol studies. He pointed out that
this system helps reduce the
time lapse between surveys and
reports to the land manager,
and, more importantly, it frees
scientists for other pest control
jobs.
During the past year the For
est Service and cooperating
States continued to emphasize
application of integrated con-
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