Most ancient organisms can only be understood by studying fossils in rocks tens or hundreds of millions of years old, but the moth families Micropterigidae and Neopseustidae have already existed on this earth for over ten million years, and in Taiwan they can still be found from Fushan and Wulai in the north to Kenting in the south, and from the coasts to high in the mountains.
人們往往只能從化石認識上千萬年的「古生物」，飛蛾裡的小翅蛾科、卵翅蛾科，卻已在地球上優游上千萬年，在台灣，這些原始蛾類的身影飛翔在北部宜蘭福山，到南台灣墾丁之間。