''Colaspis arizonensis'' is a species of leaf beetle from

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

. It is found in southeast Arizona and northwest Mexico. It was first described by the American entomologist

Charles Frederic August Schaeffer Charles Frederic August Schaeffer (12 June 1860 – 29 August 1934) was an American entomologist who specialized in beetles, particularly chrysomelids and weevils. He described 109 species in 91 genera and some species like ''Taphrocerus schaeffer ...

in 1933.

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