Beetle under bark.

Beetle under bark.

Observation - Beetle under bark.. Description: Not a great photo,but is it possible to name these guys found under the bark of Cordeline trees that were being removed after severe frost 2010 /2011 killed them off. The beetles were 3-4 mm long and very numerous,some had lateral pale stripes as the low

Not a great photo,but is it possible to name these guys found under the bark of Cordeline trees that were being removed after severe frost 2010 /2011 killed them off.
The beetles were 3-4 mm long and very numerous,some had lateral pale stripes as the lower one shows.