Martineziana excavaticollis is a species of beetle of the family Scarabaeidae. It is found in Argentina, Bolivia, Brazil (Acre, Distrito Federal, Mato Grosso), Paraguay, Mexico (Nayarit) and the United States (Texas).
Description Adults reach a length of about . The body is broad and dark brown. The head has transverse wrinkles and is medially gibbous. The pronotum is transverse and has punctures of two sizes: the fine punctures are inconspicuous among the extremely large punctures. The elytra are short and broad and the interstriae are microreticulate with inconspicuous punctures.
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