"Elachista" argopis is a moth in the family Cosmopterigidae.
The forewings are white, irrorated with dark fuscous.
There is an indistinct blackish line on the fold.
The plical and second discal stigmata are cloudy, indistinct and dark fuscous or blackish, the former followed by a clear white spot in males.
This article on a moth of the genus Elachista is a stub.