Different Bark Textures (IMAGE) University of Colorado at Boulder Caption Clockwise from top left: This shows (1) two lodgepole pines growing side-by-side with notably different bark textures, (2) a rough-barked limber pine that has been attacked by bark beetles, (3) a limber pine that has both rough and smooth bark, with pine beetle attacks only on the rough bark, (4) a limber pine with predominantly smooth bark. Credit Photo courtesy of Scott Ferrenberg. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.