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.
<h3>What causes the infestation of caterpillars?</h3>
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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