related tags: 4A3227 5C2C15 9E643C A9734F C28961 CF5C0B D4A082 D66B22 F28131 FD9659 barkbeetles coleoptera dave enfuse europeansprucebarkbeetle extremecloseup focusstack focusstacking forest forestry pest scolyte scolytidae scolytinae spruce