EVIDENCE OF WOODWORM
Holes about 2-3mm diameter.
Tunnels in timber which has been sanded.
Weakness in timber.
Poke a hole with bradawl to test the strength.
EVIDENCE OF ACTIVITY
Fresh granules or dust indicates activity as a mature beetle has recently emerged to lay eggs.
The dead bodies of mature beetles between June and August indicate breeding infestation.
NB. The larvae may eat timber for 3 years in timber before maturing in the adult beetle state