• Codling moth: It’s what’s for dinner.

Codling moth: It’s what’s for dinner.

  • March 15th, 2013

A sterilized carabid beetle before gut dissection.
Angela Gadino, WSU

Do you ever wonder what those earwigs, spiders, and other ground-dwelling predators eat in your orchard?

This question has been a main focus in the Enhancing Biological Control in Western Orchards Specialty Crop Research Initiative project. We know these predators are [...]

Bug pheromone studied

  • March 1st, 2013

In tree fruit pest management, most monitoring and mating disruption technologies are based on phero­mones that female insects release to attract males. For example, sex pheromones are used to lure male codling moths to traps or in order to mimic females and confuse the males to reduce their chances [...]

  • A new tool for IPM

A new tool for IPM

  • March 1st, 2013

In recent years, the use of insect models has become an important tool in pest management. Current models help predict key seasonal events in a pest’s life history, such as adult emergence or egg hatch. Pest managers can use this information to better time monitoring activities or the application [...]

  • One last Guthion spray

One last Guthion spray

  • March 1st, 2013

Fruit growers in Michigan can use existing stocks of the insecticide azinphos-methyl (Guthion) one more time before it is phased out at the end of September this year. When should they use it?

Michigan State University tree fruit entomologist Dr. Larry Gut suggests they target flies—the apple maggot in the [...]

  • Stinkbug is strong flier

Stinkbug is strong flier

  • March 1st, 2013

The stinkbug injects saliva into the fruit and then sucks out the juice, causing brown areas in the flesh that can resemble bitter pit.
PHOTOS BY NIK WIMAN, OREGON STATE UNIVERSITY

The brown marmorated stinkbug continues to spread, coming alarmingly close to commercial fruit-producing regions of the Pacific Northwest, and [...]

  • Good to Know: New traps and lures for tree fruit pests

Good to Know: New traps and lures for tree fruit pests

  • March 1st, 2013

Generations of growers have monitored the key pests in their orchards. Over the years, traps and lures available to growers have evolved. Yet, the goal has always been to develop easy-to-use, sensitive, and selective trapping systems. Sorting through pails baited with fermenting fruit juice filled with a writhing mass [...]

Last Bite: Do you know your pests?

  • March 1st, 2013

1    In which plant has the brown marmorated stinkbug been most commonly found in Oregon?
a.    Tree of heaven
b.    Hop
c.    Cherry
d.    Holly
e.    Grape

2    Which of the following features cannot be used to distinguish spotted wing drosophila from the common fruit fly?
a.    Dark bands on [...]

  • Natural enemy inventory

Natural enemy inventory

  • February 15th, 2013

Herbivore-induced plant volatile (HIPV) lure to attract natural enemies in orchards.

Monitoring is one of the key components of any successful integrated pest management program, because it provides a window into what is going on in an orchard. This is true not only for pests but also for natural enemies. [...]

  • Behind the scenes at the NOSB

Behind the scenes at the NOSB

  • February 15th, 2013

Harold Austin

In April, the National Organic Standards Board will decide whether organic apple and pear growers in the United States will be allowed to use the antibiotic oxytetracycline beyond the next two seasons. Tetracycline antibiotics are produced synthetically, but have an organic exemption that will expire in October 2014, [...]

  • Enhancing biocontrol

Enhancing biocontrol

  • February 1st, 2013

Knowing when and where natural enemies, such as the green lacewing, are active is critical in order to conserve them. Large inset: Garden orb web spider in apple orchard. Small inset: Adult ladybug feeding on aphids.

This is the first article in an eight-part series highlighting results of a five-year [...]

  • Eradication not likely

Eradication not likely

  • December 1st, 2012

The light brown apple moth is about a quarter of an inch long.
PHOTO BY R. ANSON EAGLIN, USDA APHIS

State and federal officials, and growers and homeowners, in California have settled in for a long, contentious battle with light brown apple moth, an invasive leaf-rolling insect found there since [...]

B.C.’s Sterile Insect Release program evolves

  • November 1st, 2012

In sterile insect release, male insects made sterile by exposure to gamma radiation are released in huge numbers to compete with normal wild males. When the sterile males win the mating game, females lay infertile eggs.

In mating disruption, female sex hormones are released in such volume that males can’t [...]