”Elachista” arctodyta is a moth of the family Scythrididae.

The abdomen is black above, with some white scales and ochreous-whitish beneath.

The forewings are whitish-fuscous, irregularly sprinkled with dark fuscous.

It was recently moved to the Scythrididae, but has not been assigned to a new genus yet.

This article on a moth of the family Scythrididae is a stub.