From 1952 to 2020, US inspectors recorded 2,562 woodwasp interceptions; researchers found wooden packaging was the dominant invasion pathway

• Image: AI-generatedWhen a shipment arrives at a port, inspectors are usually focused on what's inside the containers.
• But sometimes, the biggest biosecurity risk isn't the cargo at all, it's the wooden pallet or crate carrying it.
• A new study published in Biological Invasions suggests that this has been the case for woodwasps, a group of wood-boring insects capable of spreading through international trade.