Spilosoma dubia, the dubious tiger moth, is a moth in the family Erebidae. It was described by Francis Walker in 1855. It is found from south-eastern Canada west to Alberta and in the eastern United States. The habitat consists of aspen parkland and southern boreal forests.
The wingspan is 32–38 mm.[1] Adults are on wing from mid-May to mid-June.
The larvae have been recorded feeding on Prunus serotina.[2]