Extension > Garden > Diagnose a problem > What insect is this? > General/curiosity insects > Insects without obvious wings: greater than 1 inch long > Stag beetle
Stag beetle
Lucanus placidus
Jeff Hahn, University of Minnesota Extension
Jeff Hahn, University of Minnesota Extension
Description: 3/4 - 1 1/4 inch long. Reddish brown to dark brown in color with large mandibles (jaws), especially the males.
Where/When: Found throughout May and June in yards and gardens associated with decaying stumps and logs. Also attracted to lights at night.
Significance: Beneficial as a recycler of decaying wood; does not harm people or damage turf or trees.
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