Mimoides ilus
Mimoides ilus, the Ilus swallowtail or dual-spotted swallowtail, is a species of butterfly in the family Papilionidae. It is found from Mexico to Colombia and Venezuela. Little is known about this rare butterfly, but it is not considered threatened. The larvae of M. i. branchus feed on Annotata reticulata. Subspecies

 Mimoides ilus ilus (Fabricius, 1793) (Panama to northern Colombia and central Venezuela)
 Mimoides ilus branchus (Doubleday, 1846) (eastern Mexico to northern Costa Rica)
 Mimoides ilus occiduus (Vázquez, 1957) (western Mexico)

Description from Seitz

P. ilus F. (= hostilius Fldr. ; guaco Stgr. (14a). Male and female: under surface without red basal spots on the
forewing, with 4 red basal spots on the hindwing. Forewing with or without a patch in the extremity of
the cell, with 2 or 3 white spots on the disc, the posterior one, placed behind the 3. median, the largest. North Venezuela, Northern Colombia, Panama; rare in collections. References

Lewis, H. L., 1974 Butterflies of the World  Page 23, figure 12 (as E. belesis). Further reading

Ilus
Papilionidae of South America
Butterflies described in 1793