Numerous web pages present information about and images of pine beetles.

For instance, http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7421.html

Or http://www.na.fs.fed.us/spfo/pubs/fidls/we_pine_beetle/wpb.htm

Or http://www.spokane-county.wsu.edu/spokane/eastside/Fact%20Sheets/C097%20Pine%20Bark%20Beetle%2005.pdf

Or http://www.fs.fed.us/rm/forest-woodland/research/

Or http://www.innovationcanada.ca/en/articles/rethinking-the-pine-beetle

Or http://www.naturalresources.umd.edu/Publications/BranchingOut/2010Summer.htm

Or http://www.usu.edu/beetle/