Thermic limitation of AE detection method of old house borer larvae (Hylotrupes bajulus L.) in wooden structures

摘要

The activity of the old house borer larvae (Hylotrupes bajulus L) in wood was examined in respect to it's relationship to ambient temperature. The activity of the larvae was assessed in laboratory experiments based on acoustic emissions (AE) in Scots pine (Pinus sylvestris L.) sapwood at temperatures of -4, 5, 12, 22 and 30 degrees C. 24 or 25 larvae were used at each temperature.