The timeline for noticeable damage caused by Holzzerstörender Käfer can vary significantly. In some cases, it may take several years for their destructive impact to become evident. The severity and speed of damage depend on various factors, including the specific species of Holzzerstörender Käfer, environmental conditions, and the type and quality of the wood. Regular inspections of wooden structures and early detection are key to minimizing damage, as addressing infestations promptly can prevent further deterioration.