Dione juno

{{Short description|Species of butterfly}}

{{Speciesbox

| name = Juno silverspot

| image = Juno heliconian (Dione juno huascuma).jpg

| image_caption = D. j. huascuma, Costa Rica

| image2 = Juno Silverspot, underwing, Quito, Ecuador.jpg

| image2_caption = Underwing, Quito, Ecuador

| taxon = Dione juno

| authority = (Cramer, [1779])

| subdivision_ranks = Subspecies

| subdivision = See text

| synonyms =

• Papilio juno Cramer, [1779]
• Agraulis juno
• Agraulis huascuma Reakirt, 1866
• Dione miraculosa Hering, 1926
• Dione juno ab. suffumata Hayward, 1931

}}

Dione juno, the Juno silverspot, juno longwing, or Juno heliconian, is a species of butterfly of the subfamily Heliconiinae in the family Nymphalidae found from southern United States to South America.[http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/nymphalidae/heliconiinae/dione/ "Dione Hübner, [1819]"] at Markku Savela's Lepidoptera and Some Other Life Forms