Overview Northern Virginia based naturalist interested in the distribution and ecology of Lucanidae (Insecta: Coleoptera). Photo by Jackman. Data on adult body size were collected from seven countries. Approximately one third of all forest insect species are saproxylic, meaning they depend on dying or dead wood. The hefty body and extended mandibles make the Giant Stag Beetle the largest Stag in North America. Stag beetle, Lucanus elaphus Fabricius (Coleoptera: Lucanidae), male. 3. … Horned passalus or “betsy-beetle”, Odontotaenius disjunctus (Illiger) (Coleoptera: Passalidae). Larvae take one or more years to develop. Summary. Males have greatly enlarged jaws that may be as long the rest of the body and larvae develop in oak stumps. Giant Stag Beetle (Lucanus elaphus) Detailing the physical features, habits, territorial reach and other identifying qualities of the Giant Stag Beetle. Photo by Drees. The European stag beetle, Lucanus cervus, is thought to be widely distributed across its range, but a detailed description of its occurrence is lacking. Researchers in 41 countries were contacted and information sought on various life history characteristics of the insect. Adult life Adult life ranges from fifteen days to one month (Paulian, 1988), as supported by our own observations of imagoes kept in captivity. Lucanus elaphus, a species of stag beetle found in the eastern United States, is recorded from Nebraska for the first time. Currently working on a characterization of the stag beetle, Lucanus elaphus, within Virginia based on observation data recorded here on iNaturalist. Adults can be found at lights in early summer. Little is known about adult mortality sources, aside the fact that they are eaten by several bird species (Kletecka & Prisada, 1993; J. I. 2. The giant, elk, American, or elephant stag beetle (Lucanus elaphus) is enormous, the males reaching 1½ inches in length without the mandibles, and to nearly 2½ with them. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Species Lucanus elaphus - Giant Stag Beetle, ... Life Cycle . 1. Elaphus occurs in these biological names: Cervus elaphus red deer Lucanus elaphus giant stag beetle Elephas, a genus of elephants Boileau, 1911 Lucanus elaphus Fabricius, 1775 - giant stag beetle Lucanus fairmairei Planet, 1897 Lucanus ferriei Planet, 1898 Lucanus formosanus Planet larger jaws than females. Stag beetle, Lucanus placidus Say (Coleoptera: Lucanidae), female. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students.ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Lucanus capreolus, the 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"). Posts about Lucanus elaphus written by Maria dB. A well-known stag beetle found in the eastern United States is the giant stag beetle, Lucanus elaphus Fabricius. Females might be confused with females of the reddish-brown stag beetle but have darker legs and a smooth thorax shield. Photo by Drees. The name refers to the resemblance of the antennae to deer antlers. Eggs are laid in crevices of moist, decaying wood. Larvae feed on decaying logs, stumps, where adults can be found in spring, early summer. In addition to their importance to biodiversity, many of these species provide key ecosystem services – including the breakdown of woody debris and controlling pest populations. (Presumably males battle there.) 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