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Evergreen Trees

Page history last edited by PBworks 13 years, 6 months ago

 Evergreen Trees

 


 

 

                                       Cytospora canker of spruce

 

 

 

                                                                                                         

 

                                                                                                                                     White pine weevil damage on Douglas-fir

 

                                                          

 

                                                                                           Spruce spider mite damage

 

 

                    Bag worms on arborvitae-- look like "pine" cones

 

                                                    

 

                                                                                      Arborvitae killed by bagworm

 

 

 

 

                                      Needled evergreens defoliated by bagworms 

 

 

Bagworms on Douglas-fir sticking their heads out of the cocoons and crawling around the tree to find more green needles to eat.

 

 

 

 

                          Herbicide damage on spruce

 

 

                                                               

 

                                                                                  Lophodermium needlecast on pine

 

 

                                               Scale insects (reddish immobile bumps) on taxus

 

                                                        

 

                                                                                            Cedar apple rust, close up

 

 

               Douglas-fir Swiss needle cast (note the two rows of black dots on the underside of each needle)

 

                             

 

                                                                                   Douglas Fir suffering winter desiccation

 

 

                                 Elongate Hemlock scale on Fraser Fir

 

                                                      

 

                                                                                              Elongate Hemlock scale on Fraser Fir

 

 

                                                                  Elongate Hemlock Scale close up

 

                                              

 

                                                                       Pine, Contorted White, with winter desiccation, scorched needles

 

 

                                               Spruce needle spot, close up

 

                          

 

                                                                        Spruce twig with excrement and mold, possibly from a sucking insect

 

 

 

 

 

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