Dodia tarandus is a moth of the family Erebidae. It is found in boreal black spruce bogs and adjacent open pine uplands from central Alberta eastward to Manitoba.
The length of the forewings is about for males and 14.3mm for females.
Larval biology and host plants are not known, but host plants are likely to be one or more species of the plant groups common in peatland habitats such as Salix and various Ericaceae.