Which type of powderpost beetle has a humpbacked appearance?

The Bostrichids, commonly known as the powderpost beetles, are characterized by their distinctive humpbacked appearance. This feature is particularly noticeable in adult beetles, which exhibit a rounded or humped shape on their back. This physical trait sets them apart from other types of powderpost beetles.

Understanding the morphology of these beetles is important for identification and subsequent pest management strategies. In contrast, Lyctids (another group of powderpost beetles) typically have a more elongated body and lack the prominent hump seen in Bostrichids. Anobiids, although related, also do not exhibit this specific humped shape and have a more cylindrical body structure. Flatheaded borers represent yet another group and are identifiable by their flattened bodies rather than a humped appearance, making them quite different from Bostrichids.

Therefore, the correct identification of Bostrichids based on their unique physical characteristics is crucial for anyone involved in managing structural pest control, particularly when targeting wood-damaging pests.