Japan has around 300 kinds of butterflies including several of the mainly tropical milkweed butterflies in the Ryukyu Islands. There are around 190 dragonflies including the primitive Epiophlebia superstes.
The Japanese archipelago harbors roughly 300 butterfly species, encompassing several tropical milkweed types native to the Ryukyu Islands. Additionally, Japan is inhabited by approximately 190 dragonfly species, including the primitive Epiophlebia superstes.