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Species Plectrodera scalator - Cottonwood Borer

Cottonwood Borer? - Plectrodera scalator White / Black Beetle? - Plectrodera scalator Cottonwood Borer - Plectrodera scalator Plectrodera scalator Unknown if this is an arachnid or what ... - Plectrodera scalator Cottonwood Borer - Plectrodera scalator Cottonwood Borer - Plectrodera scalator Beetle-like mystery.  - 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 (Long-horned and Leaf Beetles)
Family Cerambycidae (Long-horned Beetles)
Subfamily Lamiinae (Flat-faced Longhorns)
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
Areas with hostplants (poplars, willows), typically riverbanks
Mostly: May-Aug (Full: Mar-Sept) (BG data)
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
Dillon, p. 629, plate LXIII #2 (3)
Yanega, p. 130, fig. 349 (4)
Arnett, p. 309, fig. 725 (5)
Drees, p. 119, fig. 177 (6)
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.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.
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.
6.A Field Guide to Common Texas Insects
Bastiaan M. Drees, John A. Jackman. 1998. Gulf Publishing.