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

Subfamily Cetoniinae - Fruit and Flower Chafers

Ground Beetle ? - Cremastocheilus crinitus Beetle Pollinating Canada Thistle - Trichiotinus assimilis Euphoria - Euphoria kernii Scarabaeidae: Osmoderma subplanata? - Osmoderma subplanata 3015661 Trichiotinus - Trichiotinus viridans Black Beetle with Two white stripes - Trichiotinus assimilis  Anteater Scarab - Cremastocheilus armatus Kern's Flower Scarab - Euphoria kernii - Euphoria kernii
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Scarabaeoidea
Family Scarabaeidae (Scarab Beetles)
Subfamily Cetoniinae (Fruit and Flower Chafers)
Other Common Names
Flower Beetles
Synonyms and other taxonomic changes
Cetoniidae (1)
Explanation of Names
Cetoniinae Leach 1815
based on Old World genus Cetonia (origin of name is obscure)
55 spp. in 13 genera in our area(2), ~3,000 spp. in ~400 genera total
body shape usually somewhat flattened
antennal insertion is visible from above--clypeus with sides constricted in the middle, just in front of the eyes
mandibles and labrum hidden by clypeus
pygidium exposed
tarsal claws simple (not forked), subequal in size
mostly tropical; in our area, widespread(3), 17 spp. reach Canada(5)
adults on flowers, tree sap, rotting fruit; some are myrmecophilous
Larvae feed on roots, organic material in soil, or decaying wood
Life Cycle
1. Larvae. 2. Pupa. 3. Adult (Valgus seticollis)
Print References
MacLeay, W.S. (1819). Horae entomologicae: or essays on the annulose animals. S.Bagster. London 1(1): 1-160.
Works Cited
1.Global Biodiversity Information Facility (GBIF)
2.The Scarabaeoid Beetles of Nebraska
Brett C. Ratcliffe & M.J. Paulsen. 2008. University of Nebraska State Museum, Vol 22, 570 pp.
3.Scarab beetles (Coleoptera: Scarabaeidae) of South Carolina
Phillip J. Harpootlian. 2001. Clemson University Public Service.
4.Peterson Field Guides: Beetles
Richard E. White. 1983. Houghton Mifflin Company.
5.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.