One of the largest beetles found in Europe, Oryctes nasicornis reach a length of 20–42 millimetres (3⁄4–1+3⁄4 inches), with a maximum of 47 mm (1+7⁄8 in).
[1] The elytra are reddish brown with a glazed appearance, while the head and pronotum are slightly darker.
The larvae grow in decaying plants feeding on woody debris (xylophagy), generally non-resinous.
It occurs mainly during the months of June and July and is very active, flying at dusk and by night, attracted by lights.
At the margin of its distribution, the beetle is often found in connection with sawmills and horse racing tracks.