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Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

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Subfamily Chrysomelinae

False Potato Beetle  - Leptinotarsa juncta Labidomera clivicollis Alder Leaf Beetle - Chrysomela mainensis Calligrapha multipunctata ? - Calligrapha multipunctata Calligrapha?  - Calligrapha Chrysomela mainensis - male - female Calligrapha philadelphica group ID help - Calligrapha philadelphica Chrysolina auripennis (Say) - Chrysolina auripennis
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
Other Common Names
Broad-bodied Leaf Beetles, Broad-shouldered Leaf Beetles
16 genera and 135 spp. in our area(1)(2), ~3,000 spp. worldwide(3)
3-14 mm
Convex, round, or oval, often brightly colored. Head partly inserted into prothorax (to the eyes). Eyes slightly emarginate. Antennae moderately long, clavate, insertions separated by width of frons. Pronotum at least slightly convex and nearly as wide basally as elytra; lateral margins defined. Procoxae transversely oval. Third tarsal segment usually entire. Elytra covering pygidium and with wide epipleura.(4)
foliage and flowers of a variety of plants
Life Cycle
Larvae w/o fecal coverings, feed externally on leaves(1)
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 Review of the North American Chrysomeline Leaf Beetles (Coleoptera: Chrysomelidae)
John A. Wilcox. 1972. New York Museum and Science Service Bulletin, 37 pp., 162 figs. 1972. New York Museum and Science Service.
3.Chrysomelid males with enlarged mandibles: three new species and a review of occurrence in the family (Coleoptera:Chrysomelidae)
Reid C.A.M., Beatson M. 2013. Zootaxa 3619: 79–100.
4.The leaf beetles of Alabama
Edward Balsbaugh and Kirby Hays. 1972. Agricultural Experiment Station, Auburn University.