Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Chrysomela scripta - Cottonwood Leaf Beetle

Larva - Chrysomela scripta Cottonwood Leaf Beetle larva and pupa - Chrysomela scripta Looked like leaf beetle, acted carnivorous - Chrysomela scripta Cottonwood Leaf Beetle - Chrysomela scripta Chrysomela scripta - Cottonwood Leaf Beetle? - Chrysomela scripta Chrysomela? Maybe C. confluens or C. scripta? - Chrysomela scripta Chrysomela scripta? - Chrysomela scripta Cottonwood leaf beetle, Chrysomela scripta, life stages / metamorphosis - Chrysomela scripta
Classification
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 Chrysomelidae (Leaf Beetles)
Subfamily Chrysomelinae
Tribe Chrysomelini
Subtribe Chrysomelina
Genus Chrysomela
No Taxon (Subgenus Macrolina)
Species scripta (Cottonwood Leaf Beetle)
Explanation of Names
Chrysomela scripta Fabricius 1801
scripta = 'written over'
Size
5.4-10 mm(1)
Range
transcontinental, Canada to Mexico (except US Pacific states)(1)
Food
hosts: willows, poplars/cottonwoods (Salicaceae)(2); larvae skeletonize leaves, while adults attack only midrib and large veins(3)
Life Cycle
Yellow or reddish eggs laid on clusters on underside of leaves. Up to five broods per year. Overwinter as adults.(3)
Eggs, larva, pupae and adult, adult female laying eggs
Remarks
Most common and widespread member of this genus; used to be considered a pest when willows were grown commercially for baskets, now of little economic consequence(4)
Internet References
Species profiles: Drees (1999) | Chi & Mizell (2012)(5)
Works Cited
1.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
2.Host plants of leaf beetle species occurring in the United States and Canada
Clark et al. 2004. Coleopterists Society, Special Publication no. 2, 476 pp.
3.Introduction to North American Beetles
Charles S. Papp. 1984. Entomography Pubns.
4.Peterson Field Guides: Beetles
Richard E. White. 1983. Houghton Mifflin Company.
5.University of Florida: Featured Creatures