Forum Entomologi Italiani

Help please with determination. I`m out of idea in this case unfortunately
The size near 7 mm

Hi Maxim, welcome on our forum!
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The beetle looks like Onthophagus (Palaeonthophagus) sericatus, or even O. (P.) verticicornis. But wait for the opinion of more expert colleagues.

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Giulio

Onthophagus (Palaeonthophagus) sericatus Reitter, 1892 for sure.

Thank so much for this aid friends! I had this hypothesis, but I was confused by the lack of any trace of horn on this beetle's head. I have a series of this species from Talysh, and all males of comparable size have this outgrowth.