Canthophorus dubius is a species of burrowing bugs belonging to the family Cydnidae, subfamily Sehirinae, which has an oval, black or dark blue, sometimes metallic green or bright violet appearance, and can reach a length of 6–8 millimeters (0.24–0.31 inch) and a width of 3.5–4.5 millimeters (0.14–0.18 inch).
Canthophorus dubius is a species of burrowing bugs belonging to the family Cydnidae, subfamily Sehirinae, which has an oval, black or dark blue, sometimes metallic green or bright violet appearance, and can reach a length of 6–8 millimeters (0.24–0.31 inch) and a width of 3.5–4.5 millimeters (0.14–0.18 inch).