Atymna castaneae is a species of treehopper belonging to the subfamily Smiliinae.

[2] Atymna castaneae is found across eastern North America.

[2] Atymna castaneae feeds on the trees of the genus Castanea, or chestnut trees, hence the species epithet castaneae.

These include the American chestnut (C. dentata) and the Allegheny chinquapin (C.

This Hemiptera article related to members of the insect suborder Auchenorrhyncha is a stub.