Tinagma ocnerostomellum, the bugloss spear wing, is a moth in the family Douglasiidae.

It is found in Great Britain, Portugal, Spain, France, Belgium, the Netherlands, Germany, Denmark, Austria, Switzerland, Italy, the Czech Republic, Slovakia, Poland, Hungary, North Macedonia, Greece, Norway, Sweden, Finland, the Baltic region, Ukraine and on Sicily and Crete.

Adults are on wing in June and July.

The larvae feed on Echium vulgare, from inside the stem.

This article relating to the superfamily Gracillarioidea is a stub.