University of Illinois Extension

Events (5)

Augmentative Biological Control in Protected Culture and Greenhouses: Small Farms Winter Webinars

noon - 1pm

Thu, 01/28/2021 - 12:00

Online

Augmentative Biological Control in Protected Culture and Greenhouses

All About Berries

10:00 AM

Thu, 02/18/2021 - 12:00

Online

allaboutberries1

Stateline Fruit and Vegetable Growers Conference: Pumpkin Varieties

Noon - 1 PM

Fri, 02/19/2021 - 12:00

Online

Cucurbit Insect Pests: Stateline Fuit and Vegetable Growers Conference

1 - 3:30 PM

Thu, 02/25/2021 - 12:00

Online

fruits and vegetables displayed

All About Berries

10:00 AM

Thu, 02/25/2021 - 12:00

Online

allaboutberries2

Blog Posts (49)

Get a gardening fix this winter with houseplant care

Unwanted Winter Houseguests

The brown marmorated stink bug is an increasingly detrimental pest on wide range of agricultural crops that commonly seeks shelter in our homes over winter. Photo credit – Kelly Allsup, Illinois Extension

Stop signs for home landscaping

sphynx moth

Fall finds: praying mantis egg cases

the foamy-looking egg case of a chinese mantis clings to a cluster of twigs

Insects inside the home this fall

Ants and the Partridge Pea

Hackberry Gall

Purple Martins

Emerald Ash Borer and Other Species Eliminating Pests or Pathogens

Spotted Wing Drosophila

Organic Pest Control

Cabbageworms

Winter Impacts to Insects

Asian Lady Beetles

Bacterial Leaf Scorch in Oaks

This pin oak tree tested positive for bacterial leaf scorch and displays the most distinctive symptoms characterized by brown leaf margins, a colorful band and green tissue along leaf veins.

It's big, but it's not a murder hornet: How to identify large wasps

picture of a European hornet on a leaf, a cicada killer on a leaf, and a baldfaced hornet on flowers

How plants and pests begin preparing for fall

Cover Crops for Home Gardening

This bumble bee dangles from a flower of crimson clover, which is an attractive and valuable soil-building cover crop that can be easily hand-seeded into vegetable garden beds.

Late summer questions to the Master Gardeners

At-Home Science for Kids: Raising butterflies and more!

monarch butterfly resting on a finger

Hornworm caterpillars on tomatoes

a large tobacco hornworm feeding on a tomato leaf

Tomato Care

Tomatoes are one of the most planted garden crops in the US, with several common problems here in central Illinois that can be managed through fairly simple cultural practices.

The gall of insects (tree bumps and lumps)

Virtual Field Days Coming to a Screen Near You

mobile phone screen with an image of a corn and soybean field and a person in the field saying "hello"

Top 5 early summer topics for gardeners

Japanese Beetle Emergence

Japanese beetles emerge each June to feed on a variety of host plants, like this rose.

Controlling Spotted-Wing Drosophila

My Mole Hills have Turned into Mountains

mole peeking head out of soil

Home Horticultural Remedies

Home Horticultural Remedies

Commercial Ag Webinar Series

agriculture

Trouble(s) with Cucurbits

squash bug nymphs feeding on pumpkin vines

Trouble(s) with Tomatoes

a green tobacco hornworm on a tomato stem

Jumping Worms Update

Training your Apple Tree

apples in tree

Gardening in January: Outside & Inside

plant on window ledge, snow outside window

What are Those Bugs in My Flour? – Pantry Pests

A bowl of white flour in a glass bowl on a wooden counter

Preventing Uninvited Guests (a.k.a. Pantry Pests)

Fall House Guests

Boxelder bugs congregating on the outside of a home

Enjoying the final hurrahs of a staple landscape tree

sunshine through ash tree leaves

Fall Webworms

fall webworm webbing on tree branch with caterpillars inside

Hover Flies may Look Like Bees but are Beneficial Flies

Syrphid Flies: Annoying but Helpful Impostors

Black and yellow syrphid flies feeding on rose

Galls Abound All Around

Lady Beetle Invasion

beetles dead on window sill

Squash bugs

squash bugs

Living with Japanese Beetles

japanese beetle

Blossom End Rot

Common Tomato Diseases

tomato plant

Mosquito and Tick Season is Upon Us

mosquito on a human arm

News Releases (14)

Preventing fruit tree diseases starts in the dormant season

It's big, but it's not a murder hornet: How to identify large wasps

Prevent oak wilt from damaging your trees

Don't get bugged; eliminate mosquito breeding habitats

Protect your plants from Japanese beetles

Cicadas begin to emerge early in cycle

Learn to manage pests and diseases in the home landscape

Get answers to pressing commercial ag questions

Familiar tale: Victims of emerald ash borer and other exotic pests

Practical community management practices for ticks and mosquitoes

Oak Pests and Diseases Workshop

Fall House Guests

Insect monitoring in soybeans: What to look for during pod fill

Extension to Host Weed and Pest Management Webinar

Staff (3)

Christopher Enroth

Christopher Enroth

Extension Educator, Horticulture

Doug Gucker staff photo

Douglas B. Gucker

Extension Educator, Local Food Systems and Small Farms

Ken Johnson Staff Photo

Ken Johnson

Extension Educator, Horticulture