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Species Euphoria kernii - Kern's Flower Scarab

Happy beetle on Prickly Poppy flower - Euphoria kernii Beetle     ID? - Euphoria kernii Scarabaeidae - Euphoria? - Euphoria kernii Euphoria? - Euphoria kernii Euphoria - Euphoria kernii Unknown beetle - Euphoria kernii Kern's Flower Scarab - Euphoria kernii Stanley Drapir-0BG.J.1972.03 - Euphoria kernii
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 Cetoniinae (Fruit and Flower Chafers)
Tribe Cetoniini
Genus Euphoria
Species kernii (Kern's Flower Scarab)
Other Common Names
Plains Bumble Scarab (1)
Synonyms and other taxonomic changes
Euphoria kernii Haldeman, 1852

Euphoria cernii Haldeman, 1852
Euphoria clarki LeConte, 1853
Euphoria texana Schaufuss, 1863
Euphoria retusa Casey, 1915
Euphoria wichitana Casey, 1915
Euphoria connivens Casey, 1915

*kerni is a misspelling (2).
Explanation of Names
Haldeman originally wrote the name as E. cernii but specifically stated it was named after a Mr. Kern. The spelling "kernii" has been in prevailing usage and is retained as the proper spelling per the ICZN code. (3)
8.7 to 11.9 mm (4)
This species is extremely variable in its color and pattern ranging from all black to nearly all yellow with all stages in between. (3)

Larvae not described (3)
sc US (AZ-TX-NE-CO) / ne Mex. - Map (4)(5) (plus a few records from CA, SD-MN)
Mostly April-July (4)
Adults have been reported from the flowers and/or fruits of the following plants (4):
Pricklypoppy - Argemone (Papaveraceae)
Pricklypear - Opuntia (Cactaceae)
Thistle - Cirsium (Asteraceae)
Yucca - Yucca (Liliaceae)
Mesquite - Prosopis (Fabaceae)
Winecup - Callirhoe (Malvaceae)
Wheat - Triticum (Poaceae)
Roses - Rosa (Rosaceae)
Life Cycle
Adults have been associated with Packrat Middens, Neotoma micropus. (Hardy 1988).
Print References
Grant, V., K.A. Grant, & P.D. Hurd. 1979. Pollination of Opuntia lindheimeri and related species. Plant Systematics and Evolution, 132: 313-320.
Haldeman, S.S. 1852. Insects, Pp. 366-378 In: H. Stansbury, Exploration and survey of the valley of the Great Salt-Lake of Utah. Washington, D.C. 487 p.
Hardy, A.R. 1988. Studies in the Euphoriina of the Americas (Coleoptera: Scarabaeidae). I. Introduction and generic concepts. The Coleopterists Bulletin, 42(1): 1-9.
Schneider, E.L., & D.M. Nichols. 1984. Floral Biology of Argemone aurantiaca (Papaveraceae). Bulletin of the Torrey Botanical Club, 111(1): 1-7.
Internet References
Texas Entomology - Mike Quinn, 2008