There are different kinds of trends. The trend for the occurrence of caterpillars in forests in western Montana from 2010 to 2013 is given below.
- Caterpillars in Wester Montana during 2010 to 2013 is known to have an up and down movement where it was found that in the first year (2010-2011).
- There was a good increase in volume but after 2 years, that is from 2011-2013, there was a decreased in terms of its volume.
What causes the infestation of caterpillars?
When caterpillars is gotten from eggs, they tend to be hungry and therefore, they find their way and migrate to a nearby place.
The Common infestation sites are known to be garden plants, trees, brush, etc.
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