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Pests and Diseases

Recommendations for managing pests and diseases, including webworms, beetles, weevils, mites, slugs, spotted lanternflies, leafminers, spiders and aphids. Tips on scale, root rot, viruses and integrated pest management.
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Garden Sense Symposium 2020
Garden Sense Symposium 2020 - News News

Garden Sense Symposium 2020

12/30/2019

What can gardeners do in January? Attend the annual Garden Sense Symposium. It’s an opportunity to cast off the winter blues and start learning, planning, and preparing for the upcoming growing season. More
Second Saturday: Insects and Climate Change
Second Saturday: Insects and Climate Change - Workshops Workshops

Second Saturday: Insects and Climate Change

03/14/2020

乐动体育注册Springfield, PA

$10.00
Join us for an informational workshop about insects and the changing climate with the Delaware County Master Gardeners! More
Photo credit: David Wagner, Public Domain CC0
Should I Worry about Spotted Lanternfly on My Christmas Tree? - Articles Articles

Should I Worry about Spotted Lanternfly on My Christmas Tree?

乐动体育注册 Lois Miklas, Heather L Leach

Do not let fear of spotted lanternfly on live Christmas trees spoil your holiday! Read the facts from the Christmas Tree Promotion Board and Penn State Extension. More
Photo credit: Public Domain (CC0)
Fungus Gnats in Indoor Plants - Articles Articles
When bringing plants indoors for the winter, beware of hitchhiking fungus gnats. This article describes the pest and how to treat them. More
Photo: Emelie Swackhamer, Penn State
Spotted Lanternfly Management and Pesticide Safety - Articles Articles

Spotted Lanternfly Management and Pesticide Safety

乐动体育注册 Emelie Swackhamer

Lycorma delicatula, commonly known as the spotted lanternfly (SLF), is an invasive insect pest present in Pennsylvania and some other eastern states. SLF threatens grape production, tree health and it is a nuisance in landscapes. More
SLF speciment collected at research site. Photo credit: Eric Clifton
Organic Control of Spotted Lanternfly is Focus of Study by Penn State, Cornell - News News
Researchers are "cautiously optimistic" about the potential of fungi to kill spotted lanternfly. More
http://commons.wikimedia.org/wiki/File:Rhododendron_aechmophyllum0.jpg
PA Department of Agriculture Encourages Pennsylvanians to Check Rhododendrons for Infectious Disease - News News
Harrisburg, PA - This spring, Pennsylvania was among 28 states where retailers received rhododendrons which may have been exposed to a plant pathogen called Phytophthora ramorum. More
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Public Alert: PDA Advises Consumers to Discard Triple Action Neem Oil - News News
In response, consumers, distributors, and pesticide applicators are advised to cease the sale and use of this product. A press release by the Pennsylvania Department of Agriculture highlights the details of this unfolding story. More
Gardening with Nature: The Invasive Spotted Lanternfly
Gardening with Nature: The Invasive Spotted Lanternfly - Workshops Workshops
Join Cumberland County Master Gardeners for a series of informal evening sessions about creating a beautiful garden while preserving a healthy environment. More
Adult spotted lanternflies. Photo Credit: E. Smyers
Spotted Lanternfly Management for Homeowners - Articles Articles

Spotted Lanternfly Management for Homeowners

Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D.

A guide that reviews the identification, life cycle, current distribution, and techniques for managing spotted lanternfly on your property. More
Landscape Concerns for 2019
Landscape Concerns for 2019 - Workshops Workshops
Learn how to prepare for possible issues in your home landscape! More
Adult spotted lanternflies. Photo Credit: E. Smyers
Control de la Mosca Linterna con Manchas para el Público en General - Articles Articles

Control de la Mosca Linterna con Manchas para el Público en General

Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D.

Las MLM son una plaga invasora destructiva que amenaza la agricultura, la industria maderera y ornamental y las plantas de jardín. More
Deer Resistant Gardening
Deer Resistant Gardening - Workshops Workshops
Deer proof tactics for your yard including wise plant selection. More
Brown marmorated stink bug, Photo credit: David R. Lance, USDA APHIS PPQ,
What's Bugging You? - Articles Articles

What's Bugging You?

乐动体育注册 Mary Reefer

Master Gardeners often field questions about indoor, as well as outdoor pests. Here are descriptions of insects and insect-like pest that can invade the home and what it do about them. More
Insects on Real Christmas Trees
Insects on Real Christmas Trees - Articles Articles

Insects on Real Christmas Trees

Michael J. Skvarla

Most real Christmas trees are free of insects and other arthropods. However, it is possible that some trees may harbor one or more species. More
Salticus scenicus female. Photo by Steven Jacobs, Penn State Extension
Zebra Jumper - Articles Articles

Zebra Jumper

Steve Jacobs

This spider, originally from Europe and Asia, is found sporadically from Nova Scotia to British Columbia, south to Georgia, and westward to Colorado. More
Argiope aurantia on web showing stabilimentum. Photo by Deisy Mendoza, WikiMedia
Yellow Garden Spider - Articles Articles

Yellow Garden Spider

Steve Jacobs

Yellow garden spiders are seen in gardens, tall weeds, and sunny areas with bushes and other supporting structures on which they build their large orb webs. More
Micrathena gracilis female
Spined Micrathena - Articles Articles

Spined Micrathena

乐动体育注册 Steve Jacobs

This small spider is commonly encountered in wooded locations, including landscaped residential and suburban locales. More
Jumping Earthworm (Amynthas spp.) Photo credit: Nancy Knauss
Look Out for Jumping Earthworms! - Articles Articles

Look Out for Jumping Earthworms!

乐动体育注册 Nancy Knauss

An aggressive Asian earthworm is negatively impacting our gardens and ecosystem. Find out how to recognize this invasive species and help limit its spread. More
Spotted Lanternfly Permit Training for Businesses: Pennsylvania
Spotted Lanternfly Permit Training for Businesses: Pennsylvania - Online Courses Online Courses
Free
Spotted lanternfly is an invasive insect that can damage many crops. Learn best practices to stop its spread. Businesses operating in the quarantine zone must have permits to move equipment and goods within and out of the zone. More
Japanese beetle damage on rose foliage. Photo credit: Lois Miklas
Simple Strategies to Deal with Garden Pests, Diseases - Articles Articles
You can create a relatively pest and disease free garden if you believe that ‘perfect’ plants are not the absolute goal of gardening and that all insects are not out to get you. More
Spotted Lanternfly Public Meeting
Spotted Lanternfly Public Meeting - Workshops Workshops

Spotted Lanternfly Public Meeting

Multiple Options Available

Free
The public can do a great deal to stop the spread of the invasive Spotted Lanternfly, join us to learn what you can do to help! More
Norman E. Rees, USDA Agricultural Research Service - Retired, Bugwood.org
Nematodes - The Unseen Enemy in Orchards - Articles Articles
Nematodes undoubtedly are the most numerous multicellular animals in the world. You can pick up a handful of soil almost anywhere and extract nematodes from it. More
University of Georgia Plant Pathology, University of Georgia, Bugwood.org
Grape Disease - Eutypa Dieback - Articles Articles
Eutypa dieback, Eutypa lata, is a fungal disease appearing as cankers on trunks and arms of infected grapevines. It is one of the most destructive diseases on the woody tissue of grapes. More
Caleb Slemmons, National Ecological Observatory Network, Bugwood.org
Blueberry Disease - Botrytis Blight and Fruit Rot - Articles Articles
Botrytis blight and fruit rot of blueberry, caused by Botrytis cinerea, are common occurrences, especially in cool, humid weather on many crops throughout the world. More
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