Tropical Carpenter Bee (Xylocopa latipes)
Last Observed: 2015, Koh Chang
Observed By: Paitoon Praiboung, Perry Stevens, David Vinot
The Tropical Carpenter Bee is a large solitary dwelling bee that lives in burrowed holes in wood or in bamboo stems. It is one of the largest bees in the world and Koh Chang is a perfect habitat for it.
And get this, they mate on the wing!
Tropical Carpenter Bee Wikipedia