Facts, Identification & Control Adult Japanese beetles can be
easily identified by their coloring. The Japanese beetle has a
metallic green body with copper-brown wing covers. Adults appear
from the ground and begin feeding on plants in the early summer.
The peak of their activity lasts from late June through August
or September when they will begin to die off due to temperature
and climate. Japanese beetles live for up to two months during
their adult life form. Behavior, Diet & Habits Japanese beetles
are commonly known to cause a multitude of damage to a variety
of plants including vegetable crops, flowering plants and
ornamental shrubs such as rose bushes. They are attracted to the
leaves produced by these types of plants. The Japanese beetle is
believed to have originated in the country of Japan and was
first noticed in the eastern United States in the New Jersey
area in the early 1900s. The beetles were most likely introduced
in the United States through commerce, and they were able to
thrive and surviv