Tinagma pulverilinea is a moth in the family Douglasiidae.

It is found in North America, where it has been recorded from Alberta, Montana and California.

The forewings are grey with a broad white bar.

There is a broad dark transverse fascia just before the middle of the wing, bordered outwardly by a row of white scales.

This article relating to the superfamily Gracillarioidea is a stub.