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black Beetle
Ahuashiyacu Water Falls in Tarapoto, Peru
thanks a lot, is great to final found out what family it is, I Would definitely read more about them
Passalidae, Bess Beetle or Patent-leather Beetle. In the US it would be easy to ID it, since there is only one species: Odontotaenius disjunctus. But there are several hundreds other species in the neotropics, so, unfortuntately I cannot help you more than the family name.
http://en.wikipedia.org/wiki/Passalidae
http://en.wikipedia.org/wiki/Odontotaeni...
http://bugguide.net/node/view/127
You can see that there is no ID further than the family name, not even the genus is indicated. In this case it is a valid compromise to add the family name in scientific name. It is not possible to get more info from only a picture.
http://www.perou-insectes.com/coleoptera...
http://www.bio-nica.info/biblioteca/Fare...