Tree Fruit Research & Extension Center

Orchard Pest Management Online

 

 
Gallery

Return to full article text

Overwintering adult pear psylla (E. Beers, March 2008) [PP_f37]

Overwintering adult pear psylla on pear bud (E. Beers, April 2007) [PP_f31]

Overwintering adult pear psylla (E. Beers, March 2012) [PP_f41]

Pear psylla overwintering adult on pear twig (E. Beers, March 1988) [PP_f29]

Pear psylla winterform adult (E. Burts) [PP_f15]

Winterform pear psylla on pear bud (E. Beers, April 2009) [PP_f39]

Pear psylla winterform adult (E. Beers, February 2009) [PP_f38]

Pear psylla summerform adult (P. Westigard) [PP_f16]

Pear psylla adult (E. Beers) [PP_f1]

Pear psylla eggs (J. Brunner) [PP_f12]

Pear psylla eggs on twig (E. Beers) [PP_f27]

Pear psylla eggs on leaf (H. Riedl) [PP_f26]

Pear psylla eggs on leaf (E. Beers, April 1987) [PP_f24]

Pear psylla eggs on leaf (E. Beers, April 1989) [PP_f25]

Pear psylla eggs on bud (E. Beers, April 2009) [PP_f40]

Pear psylla young nymphs and honeydew (E. Burts) [PP_f13]

Pear psylla eggs and early instar nymph (E. Beers, July 2007) [PP_f35]

Pear psylla hardshell nymph (H. Riedl) [PP_f28]

Pear psylla nymph (hardshell) (E. Beers, July 2007) [PP_f33]

Fourth instar pear psylla nymph (E. Beers) [PP_f20]

Pear psylla hardshell nymph (E. Beers, July 2007) [PP_f36]

Pear psylla hardshell (E. Burts) [PP_f14]

Psylla honeydew on pear (E. Beers) [PP_f5]

Psylla honeydew on pear fruit (E. Beers) [PP_f9]

Fruit russet caused by psylla honeydew (E. Beers) [PP_f10]

Pear psylla damage for pear (honeydew) (E. Beers) [PP_f23]

Psylla honeydew on pear fruit (E. Beers) [PP_f21]

Fruit russet caused by psylla honeydew (E. Beers) [PP_f11]

Foliar damage caused by pear psylla (E. Beers) [PP_f8]

Psylla honeydew droplets on pear leaf (E. Beers) [PP_f7]

Psylla honeydew and injured pear foliage (E. Beers) [PP_f6]

Psylla damage to pear (E. Beers) [PP_f4]

Psylla shock to pear trees (E. Beers, September 1986) [PP_f30]

Sampling for pear psylla with a beating tray, Dr. Everett Burts (E. Beers) [PP_f17]

Return to full article text

 

Orchard Pest Management, is copyrighted by the Washington State Fruit Commission. Soft cover copies are available for purchase.
Tree Fruit Research & Extension Center , 1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181, Contact Us