Ataenius sculptor is a species of beetle of the family Scarabaeidae. It is found in the United States (Arizona, California), Colombia, El Salvador, Guatemala, Honduras and Mexico (Chiapas, Guerrero, Jalisco, Morelos, Nayarit, Quintana Roo, Sinaloa, Sonora, Veracruz, Yucatán).
Description Adults reach a length of about . They have an elongate-oblong, black, shiny and glabrous body.
Life history Specimens have been collected in excrements.
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