Harmandiola castaneae

{{Short description|Species of fly}}

{{Speciesbox

| genus = Harmandiola

| species = castaneae

| authority = (Stebbins, 1910)

| display_parents = 2

| synonyms = {{Species list

| Cecidomyia castaneae | Stebbins, 1910

| Macrodiplosis castaneae | (Stebbins, 1910)

}}

}}

Harmandiola castaneae is a species of gall midge, insects in the family Cecidomyiidae. This species induces leaf galls on Castanea dentata.{{Cite Q|Q109561625}}{{Cite Q|Q51494932}} It was first described by Fannie Adelle Stebbins in 1910.