Why do adult bostrichid beetles bore into wood?

Adult bostrichid beetles bore into wood primarily to lay their eggs. This behavior is crucial for the life cycle of the beetle. The adult beetle creates a tunnel in the wood, which serves as a safe location for the eggs to be placed. Once the eggs hatch, the larvae feed on the wood, gaining the necessary nutrients and environment for growth until they mature into adults. This wood-boring activity plays a significant role in the reproduction process, ensuring that the next generation has a suitable habitat and food source immediately available upon hatching.

While searching for food and escaping predators might be associated with other behaviors of insects, the specific action of boring into wood by bostrichid beetles is closely tied to the laying of eggs, making it an essential aspect of their reproductive strategy.