EHB was first discovered in Europe – hence the name European house borer. The pest has since been found in the Middle East (Turkey), South and North Africa, South and North America, USA, China and Asia Minor. EHB probably made its way into WA in a piece of imported timber as larvae.
In South Africa, EHB was first discovered in pine plantations before infesting structural pine in houses and buildings. About 90 per cent of house roofs in suburbs adjacent to these plantations became infested, which resulted in large scale collapse.
EHB has been detected several times in Eastern Australia but those infestations were eradicated by fumigation. Eastern Australia did not have the problem of large scale infestation in pine trees and dead wood material.
The first WA discovery of EHB was made in 2004.