they are very harmful.
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!
The Atlas Moth has very few enemies. Some species of caterpillars will eat the larvae of the Atlas Moth. Atlas Moths are used in India to make a type of silk. The fibers from their cocoons are harvested after the Atlas Moth has emerged.
The atlas moth is the largest saturniid moth which originated in Indonesia. The average wing span of the moth is 262 millimeters.
No, the largest is the Atlas moth
The Atlas moth (Attacus atlas) holds the title for having the largest wingspan of any moth species, measuring up to around 12 inches (30 cm) across. This impressive moth is native to the tropical and subtropical forests of Southeast Asia.
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The largest moth in the world is the Atlas Moth its a size of 25-30 CM also very heavy
luna moth's are not helpful
it can be helpful or harmful