The peculiar Afrotropical bark beetle genus Xyloctonus Eichhoff. 1872 is revised and its biology described. Several unusual morphological features reflect adaptations to predator avoidance as they are highly exposed during mating externally on tree trunks and branches. Observations invariably indicate that males and females abandon the nest under bark at an early stage of progeny. https://herbsdailyes.shop/product-category/breast-feeding/