Associated insects and diseases of CA oaks
A Field Guide to Insects and Diseases of California Oaks, USDA
http://www.mosai.cc/news/wp-content/uploads/2013/05/psw_gtr197.pdf
A Field Guide to Insects and Diseases of California Oaks, USDA
http://www.mosai.cc/news/wp-content/uploads/2013/05/psw_gtr197.pdf