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Species Semanotus ligneus - Cedar Tree Borer

Cedar Tree Borer Beetle (Semanotus ligneus ligneus) - Semanotus ligneus Semanotus ligneus Cerambycid? - Semanotus ligneus cedar tree borer - Semanotus ligneus Semanotus ligneus Cedar Tree Borer - Semanotus ligneus - Semanotus ligneus Distinctive spotted beetle. - Semanotus ligneus beetle  - Semanotus ligneus
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 Callidiini
Genus Semanotus
Species ligneus (Cedar Tree Borer)
Synonyms and other taxonomic changes
a number of taxa formerly treated as subspecies of S. ligneus have been elevated to species by Hammond & Williams (2013)(1)
Explanation of Names
Semanotus ligneus (Fabricius 1787)
ligneus 'related to wood'
8-12 mm(2)
Some specimens are largely dark(2)
e. NA (to Calif.?) (NS-MB to TX) - Map (1)(3)(4)
hosts: Thuja, Cupressus, Juniperus(1)
Life Cycle
Eggs are deposited under the bark in the spring. Larvae feed beneath the bark, scarring the wood deeply. Then they bore into the sapwood and sometimes the heartwood.(6)

There is one generation per year.(6)
See Also
Semanotus amplus (Casey)
- Range: west of the continental divide to BC-CA
Internet References
Works Cited
1.Casey's conundrum, a review of the genus Semanotus Mulsant (Coleoptera: Cerambycidae: Cerambycinae: Callidiini) in North America
Hammond H.E.J., Williams D.J. 2013. Zootaxa 3670: 101–136.
2.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
3.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
4.Global Biodiversity Information Facility (GBIF)
5.Illustrated Key to the Longhorned Woodboring Beetles of the Eastern United States
Steven W. Lingafelter. 2008. Coleopterists Society.
6.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.