Gnathothlibus fijiensisGnathothlibus fijiensis is a species of moth in the family Sphingidae. It is known from Fiji.DescriptionThe length of the forewings is 38–41 mm for males and 40-44 for females. It is similar to Gnathothlibus eras, Gnathothlibus saccoi and Gnathothlibus vanuatuensis.