Stenostola dubia is a species of beetle in the family Cerambycidae.
It was described by Laicharting in 1784, originally under the genus Saperda.
It has a wide distribution throughout Europe.
It feeds on Juglans regia and Corylus avellana.
[1] S. dubia measures between 10 and 13 mm (0.39 and 0.51 in).