• Sap beetles attacked Michigan cherries

Sap beetles attacked Michigan cherries

  • March 1st, 2011

The strawberry sap beetle was one of three species identified in cherry orchards. The other two were dusky and picnic sap beetles.
Photo by Stephen Luk

Cherry growers around Traverse City, Michigan, were plagued last season by an unusual attack of sap beetles. Three species of them were found, all [...]

  • Good Stuff

Good Stuff

  • February 1st, 2011

With Come Unglued, there is no need to replace expensive PVC fittings.

Quick PVC pipe fix
Come Unglued is a new tool designed to save time and money when repairing PVC pipes. The tool uses heat to break any PVC cement bond, allowing the user to remove a broken pipe [...]

Rootstock effects on wine are minor

  • February 1st, 2011

Despite the discovery near Kennewick in 1894 of the destructive grapevine root pest phylloxera, the vast majority of Washington State’s vineyards continue to be planted to wine and juice grapes grown on their own roots. While juice grapes are relatively tolerant of the insect, European wine grapes can succumb [...]

  • Tree IVs?

Tree IVs?

  • December 1st, 2010

This injector was tested with apple trees.

Might the airblast sprayer in the future be replaced by IV tubes jabbed in fruit trees?

Michigan State University entomologist Dr. John Wise decided to see if he could control apple insects by injecting insecticides into the tree trunk—much as landscapers now do with [...]

  • Is drosophila a Washington State resident?

Is drosophila a Washington State resident?

  • October 1st, 2010

Entomologists in the Pacific Northwest intend to find out how well the spotted wing drosophila can survive the region’s cold winters.

The pest, a native of Asia, was first seen in ­California in 2008. It was found in Oregon and British Columbia in 2009, and turned up in eastern ­Washington [...]

Managing new pests

  • September 1st, 2010

Pacific Northwest growers are vigilant following reports of spotted wing drosophila among Concord grapes in eastern Washington and the early appearance of the flies in traps in British Columbia’s Okanagan Valley in Canada.

While the susceptibility of wine grapes is not known, table grape and stone fruit ­growers fear the [...]

  • NW questions cherry fruit fly quarantine

NW questions cherry fruit fly quarantine

  • June 1st, 2010

The western cherry fruit fly has not been found in California’s cherry-growing districts.

State officials in Oregon and Washington say ­California’s quarantine requirements for the Western cherry fruit fly are unjustified.

Helmuth Rogg, supervisor of the Oregon State Department of Agriculture’s Insect Pest Prevention and Management Program, said California has imposed [...]

Quarantine alternative

  • June 1st, 2010

Dr. Wee Yee, entomologist with the U.S. Department of Agriculture in Yakima, Washington, is conducting research to assess the likelihood of cherry fruit fly becoming established in certain overseas markets that are concerned about potential infestations of the pest, such as Indonesia and Thailand. Dr. Lisa Neven is cooperating [...]

  • Moth poses little risk in Taiwan

Moth poses little risk in Taiwan

  • May 15th, 2010

Dr. Lisa Neven is studying the survival of codling moth larvae in tropical conditions.

There is little risk of codling moth larvae shipped in apples to Taiwan resulting in the pest becoming established in that country, research by Dr. Lisa Neven, insect physiologist at the U.S. Department of Agriculture’s research [...]

  • Protect trees from weeds and pests

Protect trees from weeds and pests

  • May 15th, 2010

Control weeds while they’re small and easy to kill, so they don’t compete with the young trees.

In a new orchard, weeds have every condition they need to thrive and compete with the trees—full sun, regular moisture, and nutrients. Keep a sharp eye on the weeds right from the start [...]

  • Wasps ruin cherry crop

Wasps ruin cherry crop

  • May 15th, 2010

The European paper wasp looks similar to a yellow jacket, but has a narrower body and longer hind legs.

Cherry growers in British Columbia, Canada, are battling a pest that last year forced several of them to walk away from their crop before ­picking.

The European paper wasp (Polistes dominulus) was [...]

  • Woolly apple aphid

Woolly apple aphid

  • May 1st, 2010

Syrphid fly larvae attack woolly apple aphids.

The woolly apple aphid overwinters as a nymph on the roots of apple trees, but can also overwinter on the aboveground part of the tree in protected areas on the trunk or main limbs.

In the spring, overwintering aphids produce live young that migrate [...]