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Genus Diabrotica

Western Corn Root Worm - Diabrotica virgifera Beetles M&F - Diabrotica undecimpunctata - male - female Northern Corn Rootworm - Diabrotica barberi - Diabrotica barberi Beetle - Diabrotica cristata Western Spotted Cucumber Beetle - Diabrotica undecimpunctata Long Horned flower beetle, almost? - Diabrotica undecimpunctata Beetle - Diabrotica undecimpunctata Spotted Cucumber Beetle 593A 9001 & 9003 - Diabrotica undecimpunctata
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 Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Luperini
Subtribe Diabroticina
No Taxon (Section Diabroticites)
Genus Diabrotica
Other Common Names
Cucumber Beetles, Corn Rootworms
Explanation of Names
Diabrotica Chevrolat 1837
8 spp. in our area, >350 spp. worldwide(1), 107 in North and Central
Despite their bright colors and distinct patterns, species are notoriously difficult to identify(2)
key to spp. in(3)
For ID: The third antennomere (antennal "segment") is small and not more than 1.5 times the length of the second antennomere in Diabrotica. In Acalymma, the third antennomere is large and at least twice as long as the second antennomere and about as long as the fourth, fide Ciegler (2007) (4) per email with Arthur Evans.
New World (mostly neotropical), incl. most of NA(1)
most abundant and destructive in the south; usually not a problem on sandy soil
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.New species of Diabrotica Chevrolat (Coleoptera: Chrysomelidae: Galerucinae) and a key to Diabrotica and related genera...
Derunkov, A., Prado L., Tishechkin A., Konstantinov A. 2015. J. Insect Biodiversity 3: 1-55.
3.Derunkov et al. (2013) Diabrotica ID: Identification of Diabrotica species (Col.: Chrysomelidae) from North and Central America
4.Leaf and Seed Beetles of South Carolina
Janet Ciegler. 2007. Clemson University.