Dorcus brevis

(Say, 1825)

Eastern American Stag Beetle

Dorcus brevis is a native to the eastern United States. It is a wood-associated species with larvae that develop in decaying hardwood. can be distinguished from the closely related Dorcus parallelus by body proportions and structure.

Dorcus brevis adult male by Happy1892. Used under a CC BY-SA 4.0 license.Dorcus brevis-adult female North Carolina by Happy1892. Used under a CC BY-SA 4.0 license.Georgiy Jacobson - Beetles Russia and Western Europe - plate 26 by see in description. Used under a Public domain license.

Pronunciation

How to pronounce Dorcus brevis: /ˈdɔrkʊs ˈbrɛvɪs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from Dorcus parallelus by broader body proportions, smooth , and relatively short . Female D. brevis have unidentate mandibles versus bidentate mandibles in female D. parallelus.

Images

Appearance

Body proportionally broader than related . smooth. Males have relatively short compared to other stag beetles. Females have unidentate mandibles.

Habitat

Associated with decomposing wood in hardwood forests.

Distribution

Eastern United States: Alabama, Florida, Georgia, Illinois, Indiana, Kansas, Maryland, Michigan, Mississippi, Missouri, New Jersey, North Carolina, Oklahoma, South Carolina, Tennessee, Virginia.

Diet

Larvae feed on decomposing wood, particularly white oak.

Host Associations

  • Quercus alba - larval food sourcedecomposing wood

Life Cycle

Larvae are wood-borers that develop in decaying wood.

Ecological Role

Contributes to wood decomposition as larvae tunnel through decaying hardwood.

Similar Taxa

  • Dorcus parallelusOverlapping range and general appearance; distinguished by narrower body, less smooth , longer in males, and bidentate mandibles in females.

More Details

Taxonomic history

First described by Thomas Say in 1825.

Sources and further reading