Which beetle primarily consumes hardwoods?

The Lyctidae beetles, also known as true powder post beetles, specifically target hardwoods, making them the correct choice for this question. These beetles are particularly known for their ability to bore into the wood and create fine powder as they feed, which distinguishes them from other beetles that may prefer softwoods or display different feeding behaviors.

Lyctidae beetles lay their eggs in cracks and imperfections of hardwoods, and as the larvae hatch and begin to feed, they create tunnels that damage the structural integrity of the wood. Their preference for hardwoods, especially oak, maple, and walnut, highlights their specific ecological role and impacts in pest management.

Other options, while also beetles that may interact with wood, do not primarily consume hardwoods. Understanding the dietary preferences and habitat of these beetles helps in developing targeted pest control strategies for specific wood types.