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Semiotus distinctus
A movement that does (and which gives its common name to the beetle) is to "pop" the body to perform a small jump, caused by a movement of "self-catapult".
Can be found in southern Brazil, Paraguay and Argentina. I found this specimen in the school where I teach, a region near a transition between the Cerrado and Atlantic Forest.
"Semiotus distinctus" is a species of beetle belonging to the family "Elateridae". Basic colour of the body varies from reddish-yellow to ferrugineous. Pronotum shows a single longitudinal median dark streak and deep scattered punctures, while elytra have two stripes and poorly impressed striae.
Here's another picture:
http://www.scielo.br/img/revistas/isz/v9...
And the information behind the picture:
http://www.scielo.br/scielo.php?script=s...
Thanks "Jakubko" and "Tom15"! And yes, its a "Click Beetle"... I just didn't know how it was that the name of this beetle in english... Thanks!