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Species Cnestus mutilatus - Camphor Shoot Borer

Bark Beetle - Cnestus mutilatus Xylosandrus mutilatus (Blandford) - Cnestus mutilatus - female Dollywood scolytid B - Cnestus mutilatus Dollywood scolytid B - Cnestus mutilatus Cnestus mutilatus - female Cnestus mutilatus - female Cnestus mutilatus Cnestus mutilatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Xyleborini
Genus Cnestus
Species mutilatus (Camphor Shoot Borer)
Other Common Names
Sweetgum Bark Beetle, Sweetgum Ambrosia Beetle, Camphor Shoot Beetle
Explanation of Names
Cnestus mutilatus (Blandford 1894)
mutilatus = 'cut off'
2.6-3.9 mm
native to, and widespread in Asia, adventive in se. US (NC-FL-TX-AR)(1); will likely spread over much of e. US (Schiefer & Bright 2004)
polyphagous on hardwoods (1); sweetgum (Liquidamber styraciflua) is significantly more susceptible to attacks than Carya, Acer, or Liriodendron (Stone et al. 2007)
Earliest record in our area: MS 1999(2)
Recorded boring into and damaging plastic fuel reservoirs (Carlton & Bayless 2011)

"Riding lawn mower gasoline tank damaged by camphor shoot borer."
Print References
Carlton C., Bayless V. (2011) A case of Cnestus mutilatus (Blandford) (Curculionidae: Scolytinae: Xyleborini) females damaging plastic fuel storage containers in Louisiana, U.S.A. Col. Bull. 65: 290-291. (Full text)
Schiefer T.L., Bright D.E. (2004) Xylosandrus mutilatus (Blandford), an exotic ambrosia beetle (Coleoptera: Curculionidae: Scolytinae: Xyleborini) new to North America. Col. Bull. 58: 431–438. (Full text)
Stone W.D., Nebeker T.E., Gerard P.D. (2007) Host plants of Xylosandrus mutilatus in Mississippi. Fla. Entomol. 90: 191-195. (Full text)
Internet References
Works Cited
1.Atkinson T.H. (200_‒2023) Bark and ambrosia beetles of the Americas
2.Exotic bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in the United States: potential and current invaders
Haack R.A., Rabaglia R.J. 2013. In: Potential invasive pests of agricultural crops. Peña J.E., ed. CABI International, Wallingford, UK, pp. 48-74.