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You are here: Home / Archives for Plant Pests and Diseases / Insects

The emerald ash borers are coming (eventually)!

By Sarah Greenleaf — Posted May 25, 2018

An impending threat to Oregon’s urban ecosystems If it’s not on your radar yet, it will be soon: The age of ash trees (Fraxinus, sp.) in the United States is winding down as the emerald ash borer (EAB) slowly follows a western route across the country, leaving a path of destruction in its wake. EAB […]

Filed Under: Borers, Emerald Ash Borer, Growing Knowledge, Insects, Plant Pests and Diseases Tagged With: Oregon State University, Pests and Diseases, Trees

Handier handbooks

By Jay Pscheidt — Posted May 1, 2017

Updated pest management handbooks are now
mobile-friendly and searchable online.

Filed Under: Blights, Cankers, Growing Knowledge, Insects, Plant Diseases, Plant Pests and Diseases, Rusts, Verticillium Root Rot, Weeds Tagged With: Digger, Digger magazine, Education, Home gardening, Landscaping, Oregon State University

Biocontrol of azalea lace bugs

By Michael Flores — Posted October 3, 2016

Researchers investigate the use of lacewing predators to combat the pesky pest of rhododendrons.

Filed Under: Azalea Lace Bugs, Growing Knowledge, Insects, Plant Pests and Diseases Tagged With: Digger, Digger magazine, Oregon State University, Pests and Diseases

Asian longhorned beetle outbreak reported on Long Island

By Curt Kipp — Posted October 2, 2014

Officials are redoubling their efforts to stamp out the Asian longhorned beetle in New York City and Long Island, according to a report in the New York Times. The invasive insect destroys maple, willow, birch and other trees by laying eggs under the bark. Overwintering larvae destroy infested trees, and their vascular systems, from the […]

Filed Under: Asian Longhorned Beetle, Beetles, Insects, Nursery News, Plant Pests and Diseases, Uncategorized Tagged With: Uncategorized

Website educates public on invasive pest threats

By Curt Kipp — Posted April 3, 2014

Although the agriculture community is well aware of invasive pests and pathogens — including the emerald ash borer, sudden oak death, the giant African snail, the citrus psyllid, the Asian longhorned beetle and many others — agriculture cannot fight them alone. These pests can be transported unwittingly by the general public; therefore, public awareness is needed to […]

Filed Under: Asian Longhorned Beetle, Beetles, Insects, Plant Diseases, Plant Pests and Diseases Tagged With: Biological Pest Control, Conservation, Consumer trends, Economy, Independent Garden Centers, Invasive species, Marketing, Pests and Diseases, Retail Nurseries, Science, Transportation, Trees, USDA

Oregon gets a B- in invasive species management

By Curt Kipp — Posted January 15, 2014

Oregon, as a whole, could be doing better in its fight against invasive species. That’s the verdict from the Oregon Invasive Species Council (OISC), which gave the state a B-minus on its annual Invasive Species Report Card (PDF). That’s down a full letter grade from 2012, when the state received an A-minus. The main difference? […]

Filed Under: Asian Longhorned Beetle, Beetles, Borers, Emerald Ash Borer, Insects, Plant Diseases, Plant Pests and Diseases, Spotted Wing Drosophila Tagged With: Conservation, Invasive species, ODA, Oregon State University, Pests and Diseases, Phytophthora ramorum, Wholesale Nurseries, Wildlife

Azalea lace bug arrives in Oregon

By Curt Kipp — Posted April 24, 2013

Azalea lace bug (Stephanitis pyrioides) There is a relatively new pest in Oregon that can damage azaleas, rhododendrons and pieris (Ericaceae): The azalea lace bug (Stephanitis pyrioides) was first confirmed in Oregon in 2009 by Oregon State University (OSU) researchers after it was found in Washington in 2008. The pest becomes active in mid- to […]

Filed Under: Azalea Lace Bugs, Insects, Plant Pests and Diseases Tagged With: Native Plants, Pests and Diseases, Plants

Oregon gets an A minus on invasive species report card

By Curt Kipp — Posted January 15, 2013

Oregon deserves an A-minus for its efforts to limit and control the introduction of invasive plants, animals and pathogens into the state, according to the Oregon Invasive Species Council. The group issued its annual Invasive Species Report Card on Jan. 9. Some highlights pertaining to the nursery industry include the following: The Oregon Legislature passed […]

Filed Under: Asian Longhorned Beetle, Beetles, Borers, Emerald Ash Borer, Insects, Phytophthora, Plant Diseases, Plant Pests and Diseases Tagged With: Invasive species, ODA, Phytophthora ramorum, Plants, Politics

Minnesota enlists dogs against emerald ash borer

By Curt Kipp — Posted May 21, 2012

The invasive emerald ash borer, a 1/2-inch beetle, has carved a path of destruction through the American Midwest and the East Coast. But now Minnesota officials are trying something new to combat the pest:

Filed Under: Beetles, Borers, Emerald Ash Borer, Insects Tagged With: Invasive species, Pests and Diseases

Asian longhorned beetle traps developed

By Curt Kipp — Posted March 14, 2012

Researchers have developed a trap (PDF) for luring in the destructive and much-feared asian longhorned beetle (ALB), which has no natural enemies as it cuts a path through neighborhoods and forests. The secret? Bug pheromones. Hat tip to “bug ladies” Suzanne Wainwright-Evans and Robin Rosetta for passing this information along.

Filed Under: Asian Longhorned Beetle, Beetles, Insects, Plant Pests and Diseases Tagged With: Invasive species, Pests and Diseases

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NURSERY NEWS

Bailey Nurseries removed dams to build environmental resilience

The new NurseryGuide.com powers up with new features

Terra Gardens owner’s gesture for his mother opens the door to other wheelchair-bound gardeners

OAN announces 2025 Friends of Nurseries award winners

OAN leads grower-driven Japanese beetle solution

AmericanHort president and CEO to step down

In memoriam: Bill Van Belle

Longtime employee buys Heritage Seedlings and Liners

More Nursery News

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August 2026 Digger: Farwest Show Edition

July 2026

June: The Shrubs Issue

May 2026: the Sustainability Issue

April: The Tree Issue

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Pests and Diseases

Box tree moths pose a threat to Oregon nurseries

Managing Phytophthora: timing, temperature and emerging threats

Managing slugs and snails in Pacific Northwest nurseries

OAN leads grower-driven Japanese beetle solution

Prioritizing nursery pest challenges

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FARWEST SHOW UPDATES

2026 Farwest Show issues calls for speakers

Excitement, optimism prevail at 2025 Farwest Show

Dazzling plants, products garner Retailer’s Choice Awards

Youngblood Nursery wins Best in Show booth honors at the 2025 Farwest Show

Glow Sticks Fescue wins top honors from judges at Farwest Show’s New Varieties Showcase 

More Updates from Farwest

The Value of Membership

OAN members see benefits and rewards from serving ag industry organizations

AmericanHort president and CEO to step down

OAN honors industry leaders at 2025 Convention

More member stories

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