Xyleborus affinis (Eichhoff). 1, Face. 2, Antenna. 3, Protibia. 4, Side view. 5, Top view. 6, Declivity. Photo credits: 1 to 4A, 5, 6B, NCSU; 4B, 6A, 6D, http://hymenoptera.tamu.edu/keys/index.php; 6C, 6E, Thomas H. Atkinson (http://barkbeetles.info).