Cherry Powdery Mildew

Friday Jun 20, 2025

Cherry with powdery mildew Cherry powdery mildew on leaf   Cherry Powdery Mildew Why is it a problem? Cherry powdery mildew is a surface fungus that manifests itself on both the d...

Marking Suspects for Little Cherry Disease

Sunday Jun 15, 2025

If you see a tree that has some branches yielding small, misshapen or bitter fruits, this may be LChD (See back ofpage). Leaf samples will be collected for molecular analysis and confirmation of the d...

Western Cherry Fruit Fly (Rhagoletis indifferens)

Thursday Jun 05, 2025

Western cherry fruit fly trap in orchard with lure Western Cherry Fruit Fly (Rhagoletis indifferens) Why is it a problem? Western cherry fruit fly (Rhagoletis indifferens) is a native p...

Peach Twig Borer (Anarsia lineatella) and Peach Tree Borer (Synanthedon exitiosa)

Tuesday May 27, 2025

Larvae of Peachtree borer from a cross secton of wood Peach Twig Borer (Anarsia lineatella) and Peach Tree Borer (Synanthedon exitiosa)   Why are they a problem? The Peach twig borer is a...

Apple Clearwing Moth - Trunk Sprays

Sunday May 25, 2025

Apple Clearwing Moth (Synanthedon myopaeformis) - Trunk Spray timing is happening now.  Trunk Sprays are one of the most effective applications that can be made against the invasive pest - Apple...