What is "lucanus capreolus"

Hornbug \Horn"bug`\, n. (Zo["o]l.) A large nocturnal beetle of the genus Lucanus (as Lucanus capreolus, and Lucanus dama), having long, curved upper jaws, resembling a sickle. The grubs are found in the trunks of old trees.

Lucanus capreolus (commonly known as reddish-brown stag beetle) is a beetle of the family Lucanidae. The specific name capreolus is derived from Latin, meaning " roe deer" (capreolus literally means "little goat"). The name refers to the resemblance of the antennae to deer antlers.