4b4845dc_imber_Surveys___Causes_of_Damp__Tunnels
[Common Name] Common Furniture Beetle, Bookworm [Latin Name] Anobium Punctatum [Type] Small insect [Wood Targeted] Sapwood of Soft and Hardwood, not tropical [Spreads] Flight, modern plywoods and tropical Hardwood is immune [Damage to wood] Severe tunnelling, mainly along grain, light side can be undamaged [Frass (bore dust)] Gritty lemon shaped pellets, uniform colour, can be knocked out [Emergence holes] 1~2mm [Tunnels] 
Round, tend to run with grain
Aquarius Timber Preservation | Damp Timber Surveys | Causes of Damp
Tunnels