Marking Suspects for Little Cherry Disease

Wednesday Jun 15, 2022

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...

Fruit russet caused by psylla honeydew

Pear Psylla

Tuesday Jun 07, 2022

Controlling and maintaining low pear psylla populations over the dormant season is critical to controlling this damaging pest of pears. Correctly identifying pear psylla is key in control and preventi...

Cherry Fruit Fly adult on cherry (Photo Credit: E. Beers, 2007)

Western Cherry Fruit Fly (Rhagoletis indifferens)

Sunday Jun 05, 2022

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 damage on peach shoot

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

Friday May 27, 2022

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...

Early leafroller damage on Gala

OBLR - Obliquebanded Leafroller (Choristoneura rosaceana) 

Friday May 20, 2022

OBLR larvae on apple leaf OBLR - Obliquebanded Leafroller (Choristoneura rosaceana)  Why is it a problem? Leafrollers are common pests in treefruit orchards, causing damage to developing ...