Adult borer are 2mm to 3mm long and can lay up to 100 eggs on bare surfaces of wood or in old flight holes. The larvae hatch from the eggs after 4-6 weeks and bore through the wood feeding and tunnelling for 3 to 5 years. They then enter the pupate stage and after 4 to 8 weeks the adults exit the wood by eating their way to the surface. The cycle is then repeated as the adults fly to find a mate to breed with before dying within 3 to 4 weeks.
If left untreated, the damaged caused by borer can lead to the weakened structural integrity of your home, especially when the timber used in floorboards, joists, frames and trusses has not been preventatively treated against these invaders.