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Species Plectrodera scalator - Cottonwood Borer

Cottonwood Boring Beetle - Plectrodera scalator Cotton Borer - Plectrodera scalator Cottonwood Borer behavior question - Plectrodera scalator Not Sure What This Is - Plectrodera scalator Plectrodera scalator (Fabricius, 1792) - Plectrodera scalator Cottonwood borer - Plectrodera scalator Plectrodera scalator - Cottonwood Borer - Plectrodera scalator Cottonwood Borer - Plectrodera scalator
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Cerambycidae (Longhorn Beetles)
Subfamily Lamiinae (Flat-faced Longhorn Beetles)
Tribe Monochamini
Genus Plectrodera
Species scalator (Cottonwood Borer)
Synonyms and other taxonomic changes
Plectrodera scalator (Fabricius)
Orig. Comb: Lamia scalator Fabricius, 1792
Monotypic genus (1)
22-40 mm
mostly sc. US - Map (2)(3)
Areas with hostplants (poplars, willows), typically riverbanks
Mostly: May-Sept (3)
Populus, Salix, Platanus
Life Cycle
Eggs are laid in August, September. Larvae bore at the base of poplars, willows, and overwinter. Two or three years required to reach maturity. Larvae may girdle trees. Pupation occurs in chambers beneath bark. Adults are reported to browse on shoots of host trees, especially leaf-stems (petioles), and bark.
Print References
Yanega, p. 130, fig. 349 (4)
Arnett, p. 309, fig. 725 (5)
Internet References
Texas Entomology - Mike Quinn, 2008
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2. A distributional checklist of the beetles (Coleoptera) of Florida.
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.
3.Global Biodiversity Information Facility (GBIF)
4.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
5.How to Know the Beetles
Ross H. Arnett, N. M. Downie, H. E. Jaques. 1980. Wm. C. Brown Publishers.