How do Western Drywood termites typically derive moisture?

Western Drywood termites primarily derive moisture from dry, sound wood. They have developed the ability to survive in drier environments compared to other termite species, and they can extract necessary moisture directly from the wood they consume. This adaptation allows them to thrive in conditions where other wood-destroying pests might struggle, as they do not require contact with the soil and can live entirely above ground in the wood they infest.

The options that suggest deriving moisture from moist soil, beneath the ground, or from other insects do not align with the habits of Western Drywood termites. These termites are not dependent on soil moisture, as their life cycle and feeding habits are not linked to underground nests or moisture sources found in the ground. This ability to sustain themselves through the wood directly is crucial for their survival and contributes to the particular challenges posed by these pests in structural pest control.