Peach Twig Borer Mating Disruption

Mating disruption became commercially available in the early 1990s, and was adopted by many Utah growers about a decade later. Use of this pest management technology can be daunting due to high up-front costs and monitoring requirements; however, after two to three seasons of use, the cost of mating disruption is the same or even less than conventional pest management

The Backyard Orchardist – Fruit Pests: Pear

Fire blight is caused by a bacterium called Erwinia amylovora. Pears are very susceptible to fire blight. Blossoms, terminal twigs, and sometimes entire limbs or trees are killed. Environmental conditions favoring infection are warm, rainy days during bloom

Leafrollers in Fruit Orchards (Lepidopters: Tortricidae)

Leafrollers are a type of caterpillar that may roll or tie leaves together to form a protective shelter. They feed on the leaves and fruits of host plants. This fact sheet describes them, the crop injury they cause, their orchard preferences, monitoring, treatment timing, and management

Western Tentiform Leafminer

Western tentiform leafminer populations can vary tremendously between years or even between generations within a single year. Increasing resistance to organophosphate insecticides and variable effectiveness of at least six parasitic wasp species that attack the leafminer can influence the population size

European Cherry Fruit Fly Rhagoletis cerasi (Linnaeus)

European cherry fruit fly (ECFF) is a new invasive cherry-infesting pest from Europe. It was first detected in the U.S. in New York in 2017. This fact sheet describes it and includes life history, plant hosts, damage symptoms, monitoring, and management

Western Tentiform Leafminer Phyllonorycter elmaella

Western tentiform leafminer populations can vary tremendously between years or even between generations within a single year. A large population in Utah\u27s commercial fruit districts hasn\u27t been observed since the early 2000s. Increasing resistance to organophosphate insecticides and variable effectiveness of at least six parasitic wasp species that attack the leafminer can influence the population size