OBJECTIVE FORESTRY

FORESTRY

FOREST PRODUCTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Gypsy moth, spruce budworm, pine sawfly and tent caterpillar are classified as what type of insect
A
beetles
B
defoliators
C
sucking
D
beneficials
Explanation: 

Detailed explanation-1: -Defoliation management means removing plant material so that the growth meristems needed for various plant functions are left intact. Massive leaf defoliation removes the opportunity for photosynthesis and most plant functions decline.

Detailed explanation-2: -Species of concern: Doug-fir tussock moth and western spruce budworm (Doug-fir and true firs in eastern Oregon), pine butterfly (pine), pandora moth (pine in central Oregon), larch casebearer (western larch), western tent caterpillar and fall webworm (alder and other deciduous).

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