Table 2.

Insect damage scale values according to damage type.

Insect damage scale value	Damage type
0	Predator insects of bark insects; feed on decay fungi on wood
1	Insects not directly damaging wood material but breeding between bark and wood; cause minor economic losses
2	Insect damaging wood surface only and insects harming decaying wood and their predators
3	Insects causing heavy damage to wood
4	Insects generating excessive damage to wood material; lower technical specifications and cause major economic losses