bipupillate

from The Century Dictionary.

• Having a double pupil: in entomology, said of an eye-like spot on the wing of a butterfly when it has within it two dots or pupils of a different color.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Zoöl.) Having an eyelike spot on the wing, with two dots within it of a different color, as in some butterflies.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective zoology Having an eyespot on the wing, with two dots within it of a different colour, as in some butterflies.