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Genus Anomala

Scarab - Anomala Anomala sp. - Anomala brown scarab - Anomala May Beetle Phyllophaga? - Anomala 033112Beetle2 - Anomala Anomala foraminosa - female Chafer Beetle - Anomala 820W04 - Anomala
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)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Rutelinae (Shining Leaf Chafers)
Tribe Anomalini
Genus Anomala
Synonyms and other taxonomic changes
Anomala Samouelle, 1819
=Phyllopertha Stephens, 1830
=Spilota Burmeister, 1844
=Callistethus Blanchard, 1851 [used for marginata by Ratcliffe & Paulsen (1)]
=Pachystethus Blanchard, 1851 [was used in much of the older NA literature for A. marginata, lucicola & oblivia]
=Blitopertha Reitter, 1903
=Cyriopertha Reitter, 1903
=Exomala Reitter, 1903 [often seen used for A. orientalis]
=Megapertha Reitter, 1903
=Pleopertha Reitter, 1903
=Trichopertha Reitter, 1903
=Apleopertha Semenov, 1903
=Anomalepta Casey, 1915
=Anomalopus Casey, 1915
=Hemispilota Casey, 1915
=Oliganomala Casey, 1915
=Paranomala Casey, 1915
=Rhombonalia Casey, 1915
=Anomalopides Strand, 1928
Explanation of Names
Author is Samouelle 1819
Latin anomala 'irregular, deviant'
Numbers
48 spp. in our area(2), 180 in the New World; a huge group, with >1,000 described species worldwide (some of questionable validity)(3)
Size
6-12 mm
Identification
Some characteristics of the genus:
small to medium-sized, slightly oval-shaped, convex in cross-section
antennae with 9 segments
pronotum not pubescent (hairy)
elytra with shallow striations and puntures, rather translucent (membranous) along sides
Species identification
Anomala spp. Mesosternum detail;
Mesosternum between mesocoxae concave to flat anteriorly, not elevated posteriorly to more than low umbo ......... top, most spp.
Mesocoxae separated by distinctly convex to prominently raised mesosternal process, sometimes porrect ...... bottom, includes spp. such as A. marginata, lucicola & oblivia [These were placed in the genus Pachystethus in much of the older American literature and Callistethus was used in combination with marginata in(1)]

Key to NA species in(4)
Print References
(5)
Works Cited
1.The Scarabaeoid Beetles of Nebraska
Brett C. Ratcliffe & M.J. Paulsen. 2008. University of Nebraska State Museum, Vol 22, 570 pp.
2.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.
3.Generic Guide to New World Scarab Beetles (by Brett Ratcliffe and Mary Liz Jameson)
4.Revision of the Scarabaeidae: Anomalinae. 3. A key to the species of Anomala of America north of Mexico
R.W. Potts. 1977. The Pan-Pacific Entomologist, 53: 129-134.
5.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.