Powderpost Beetles

“Lyctoxylon dentatum” by Wisut Sittichaya, Roger A. Beaver, Lan-Yu Liu, Aran Ngampongsai – Sittichaya W et al. (2009) An illustrated key to powder post beetles (Coleoptera, Bostrichidae) associated with rubberwood in Thailand, with new records and a checklist of species found in Southern Thailand. ZooKeys 26: 33–51. doi:10.3897/zookeys.26.88.

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Powderpost beetles lay their eggs in cracks of wood and the larvae tunnel into the surface, filling it with a very fine powder-like dust. Powderpost beetles have long, narrow, flat bodies that allow them to easily attack wood surfaces. These beetles are reddish-brown in color.


Adult powderpost beetles are very active at night, enjoy flying and are attracted to the light.


Powderpost beetles often attack hardwoods, and can be found in hardwood floors, timbers and crates, antiques and other objects made of hardwood materials.

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