Which stage of the Old House Borer is responsible for causing structural wood damage?
Answer
The larval stage.
The flying adults do not consume structural wood as their mouthparts are not adapted for boring or feeding; the real degradation is caused by larvae tunneling for many years.
Related Questions
Can the adult Old House Borer beetle fly?What is the primary reason adult OHBs engage in flight?During which specific months do adult OHB flights generally peak?Which physical characteristic is noted as key for identifying an OHB adult?Which stage of the Old House Borer is responsible for causing structural wood damage?What is the typical diameter size of an OHB emergence exit hole?What type of lumber do Old House Borers show a strong preference for infesting?How long can the larval stage of the OHB remain active inside structural wood?How do the exit holes of the OHB compare in size to those left by Powderpost beetles?When are flight treatments aimed at preventing egg-laying most effective?