Associate Professor
nik.wiman [at] oregonstate.edu

Research Way Laboratory Building

Research Way Laboratory Building 1087

Research Way Laboratory Building 4575 SW Research Way

Research Way Laboratory Building

4575 SW Research Way

Corvallis, OR 97333

biological control
population biology
orchard ecology
insect behavior
integrated pest management

Nik earned a BS (biology) and MS (entomology) from Montana State University where he worked on biological control of weeds in rangeland. From there, he transitioning into tree fruit entomology, working for nearly a decade on mating disruption, biological control, and pest population dynamics in Wenatchee Washington, ultimately earning his PhD (entomology) from WSU in 2011. He Came to OSU as a postdoc (entomology/horticulture) in 2012.

At OSU

Headquarters:

Experiment Station

Career Links:

Department of Horticulture

Tree Fruits and Nuts

Brown Marmorated Stink Bug

Hazelnuts

Wiman Lab

Hazelnut Production Extension

Hazelnut Extension on Facebook

Information for hazelnut growers (listserv)

Cider Apple Extension on Facebook

Entomology Program

I accept graduate students for the Entomology Program

I accept graduate students for Horticulture

Student(s):

John Webber

Professional Accomplishments

Employment:

Associate Professor, Extension Orchard Specialist. Department of Horticulture, North Willamette Research and Extension Center. (2015-2021)
Assistant Professor, Extension Orchard Specialist. Department of Horticulture, North Willamette Research and Extension Center. (2015-2021)
Assistant Professor, Senior Research. Department of Horticulture, Oregon State University, Corvallis, OR. (2014-2015)
Postdoctoral Research Associate, Department of Horticulture/Crop and Soil Science, Oregon State University, Corvallis, OR. (2012-2014)
Associate in Research, Department of Entomology, Washington State University, Tree Fruit Research and Extension Center, Wenatchee, WA. (2002-2006).

Education:

Ph.D. - 2011 - Entomology, Washington State University, Pullman, WA

M.S. - 2001 - Montana State University, Bozeman, MT

B.S. - 1998 - Montana State University, Bozman, MT

My Awards

My Publications

Outreach and Extension

Extension Service Site Publications

(2023) 2023 Willamette Valley Pest Management Guide for Cherries Get updated recommendations for insect, mite and disease control in cherry orchards of the Willamette Valley.
(2022) Measuring the Economic Impact of Pests and Pest Management on Oregon Hazelnuts Insects, diseases, weeds and other pests all affect Oregon's hazelnut industry. This report analyzes real-world data on these impacts to inform producers' approaches to integrated pest management.
(2022) Measuring the Economic Impact of Pests and Pest Management on Oregon Hazelnuts
(2023) 2023 Hazelnut Pest Management Guide for the Willamette Valley Learn how to control insects, weeds and disease during each stage of hazelnut growth.
(2020) Managing Diseases and Insects in Home Orchards Learn the best ways to manage pests and disease on your fruit trees. Often, this involves combining multiple methods — from cultural and biological practices to pesticides. Learn what it takes to protect your apple, pear, cherry, peach and plum trees from insects and disease.
(2021) Hazelnut stewardship initiative highlights Oregon’s sustainable practices Positive promotion can make a difference in the reputation of the state’s hazelnuts.
(2019) Cultural Control Strategies to Manage Spotted-wing Drosophila
(2019) How Seasons Affect Population Structure, Behavior and Risk on Spotted-wing Drosophila
(2019) Hazelnut IPM Resources about integrated pest management for hazelnuts.
(2019) Wiman Lab Current research includes IPM for new and old hazelnut pests, hazelnut nutrition, hazelnut water use/irrigation, and cider apple production. Primary interests are population biology of insects, biological control, sustainable orcharding and grower outreach.
(2018) Brown Marmorated Stink Bug (BMSB) Information and resources about the brown marmorated stink bug (BMSB), an invasive
(2018) OSU establishes demonstration orchard for state’s growing cider industry Orchard includes more than 80 apple varieties for creating quality cider.
(2018) OSU targets invasive stink bug that threatens valuable crops Pest has been located in all major fruit-producing regions and near some large agricultural operations
(2017) Samurai wasp: Promising egg parasitoid for management of Brown Marmorated Stink Bug (BMSB)
(2016) Holy plum tree! What is wrong?
(2016) How to Monitor for Brown Marmorated Stink Bug in Specialty Crops
(2015) Why are my walnuts so small?
(2014) How to Recognize Brown Marmorated Stink Bug Damage in Commercial Hazelnuts
(2023) 2023 Pest Management Guide for Tree Fruits: Hood River, The Dalles, White Salmon, Rogue Valley, Umatilla County
(2023) 2023 Pest Management Guide for Apples: Willamette Valley
(2023) 2023 Pest Management Guide for Peaches
(2023) 2023 Willamette Valley Pest Management Guide for Cherries
(2023) 2023 Hazelnut Pest Management Guide for the Willamette Valley
(2013) Brown Marmorated Stink Bug
(2022) 2022 Willamette Valley Pest Management Guide for Walnuts
(2019) 2019 Pear Pest Management Guide for the Willamette Valley
(2020) Managing Diseases and Insects in Home Orchards

My Media

My News Articles:

Brown Marmorated Stink Bugs endanger $132 million hazelnut crop

Nik Wiman, an associate professor in the Oregon State University College of Agricultural Sciences, stated that the first BMSB to be detected in Oregon was found in Portland in 2004. Wiman says OSU has been researching the bugs for a decade.

Full story

Non-native stink bugs lay some stank on Oregon crops

It's bad enough they're called "stink bugs." But it's even worse that they have a well-developed taste for Oregon crops, and few natural predators.

Full story

Large increase of brown marmolated stink bugs poses serious threat to Oregon crops

Full story

OSU research helps hazelnuts thrive

Acreage has doubled since breakthrough found against Eastern Filbert Blight.

Full story

Oregon Hazelnuts Rebound After Fierce Ice Storm

Newer varieties of hazelnut trees proved more resilient in the ice storm as well as to diseases according to Nik Wiman, an orchard specialist at Oregon State University.

Full story

Researchers focus on helping hazelnut bloom

Hazelnuts are the most important orchard crop in Oregon’s Willamette Valley, where nearly the entire U.S. crop is produced. It is also known for the innovative cultivars developed at Oregon State ...

Researchers focus on helping hazelnut bloom

Primary tabs

Nik Wiman

Research Way Laboratory Building

Research Way Laboratory Building 4575 SW Research Way

Extension Service Site Publications

Brown Marmorated Stink Bugs endanger $132 million hazelnut crop

Brown Marmorated Stink Bugs endanger $132 million hazelnut crop

Non-native stink bugs lay some stank on Oregon crops

Non-native stink bugs lay some stank on Oregon crops

Large increase of brown marmolated stink bugs poses serious threat to Oregon crops

Large increase of brown marmolated stink bugs poses serious threat to Oregon crops

OSU research helps hazelnuts thrive

OSU research helps hazelnuts thrive

Oregon Hazelnuts Rebound After Fierce Ice Storm

Oregon Hazelnuts Rebound After Fierce Ice Storm

Researchers focus on helping hazelnut bloom

Researchers focus on helping hazelnut bloom

Student Resources

Employee Resources

New Employees