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Species Elaphidion mucronatum - Spined Oak Borer

which longhorn beetle? - Elaphidion mucronatum Spined Oak Borer Beetle - Elaphidion mucronatum Pennsylvania Beetle  - Elaphidion mucronatum Longhorned Beetle - Elaphidion mucronatum Cerambycid - Elaphidion mucronatum Spined Oak Borer - Elaphidion mucronatum Unable  to identify - Elaphidion mucronatum Enaphalodes rufulus or E. mucronatum? - Longhorned Beetle - Elaphidion mucronatum
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Cerambycidae (Longhorn Beetles)
Subfamily Cerambycinae
Tribe Elaphidiini
Genus Elaphidion
Species mucronatum (Spined Oak Borer)
Explanation of Names
Elaphidion mucronatum (Say 1823)
mucronatus = 'sharp-pointed'
12-20 mm(1)(2)
Note very long femoral spines
ON-MN to FL-AZ(3)(4)(5)(6)
Adults active April-October. (7)
Extremely polyphagous; hosts include most eastern hardwoods & shrubs.(1)(6)

Also noted in bald cypress (Taxodium distichum). (7)
Life Cycle
Eggs are laid beneath bark of dead hardwoods. Larvae feed beneath the bark for the first year and feed deeper the second year.
Adults come to lights, bait traps; very common(1)