I've found Odontolabis siva parryi from Taiwan in both Logs and under logs.
I suspect they make tunnels and use them to move in and out of the logs. Therefore, I mixed decayed flakes with high decayed flakes when I raised those Taiwanese ones. Make sure you don't break their tunnels in L3.
http://beetleforum.net/forums/index.php?showtopic=2617&hl=%2Bodontolabis+%2Bsiva
I suspect they make tunnels and use them to move in and out of the logs. Therefore, I mixed decayed flakes with high decayed flakes when I raised those Taiwanese ones. Make sure you don't break their tunnels in L3.
http://beetleforum.net/forums/index.php?showtopic=2617&hl=%2Bodontolabis+%2Bsiva