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Onthophagus (Onthophagus) taurus (Schreber, 1759) cf. - Scarabaeidae
http://www.entomologiitaliani.net/public/forum/phpBB3/viewtopic.php?f=170&t=46382
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Autore:  Isidro [ 22/07/2013, 22:27 ]
Oggetto del messaggio:  Onthophagus (Onthophagus) taurus (Schreber, 1759) cf. - Scarabaeidae

Aiuto ID!
Grazie!

Allegati:
Onthophagus sp. 1 (21-7-13 Fuentelavalle, río Guarga).jpg


Autore:  Creedence [ 22/07/2013, 23:18 ]
Oggetto del messaggio:  Re: Onthophagus sp. - Scarabaeidae

Onthophagus of the nominotypical subgenus. Most probably Onthophagus (Onthophagus) taurus (Schreber, 1759) [Scarabaeidae], a minor male.

Autore:  Isidro [ 23/07/2013, 5:40 ]
Oggetto del messaggio:  Re: Onthophagus sp. - Scarabaeidae

Thanks for your reply, I'm really surprised! Male O. taurus can lack horns???

Autore:  Creedence [ 23/07/2013, 8:20 ]
Oggetto del messaggio:  Re: Onthophagus (Onthophagus) taurus (Schreber, 1759) cf. - Scarabaeidae

As in all horned beetles, there are minor males that look like females. Usually, but not always, you can distinguish them because they lack clypeo-frontal carina. This is the case of Onthophagus in your photo.

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