The Emperor gum moth can not feed so it will not be harmful if it's mouth parts are to weak to even consume food!
they are very harmful.
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The emperor moth caterpillar eats from plants while in the caterpillar stage. When it turns into the moth it will feed off of Heather and blackthorn.
Yes, "Emperor" is a proper noun when used as part of a specific title, such as "Emperor Napoleon" or "Emperor Hirohito."
luna moth's are not helpful
it can be helpful or harmful
sometimes they are helpful and harmful.
in Europe
Bacteria can be both harmful and helpful
Sandpaper is both helpful and harmful.
Atlas moths are very helpful, they play an important role in commerce. Atlas moths are used for the brown strands of silk they excrete and in places like Taiwan, their cocoons are used to make purses.
they are helpful not harmful to plants