Entomologist Dr George McGavin crawls into the heart of a rotting tree and endures 40 degree temperatures in the hunt for new species. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: http://www.youtube.com/bbcearth This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/