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University of Minnesota Extension

All in-person Extension meetings, events and classes are canceled through Friday, May 15.


Find research-based information on both helpful and harmful insects, spiders and other insect relatives. Learn how to identify insect damage on plants and in the landscape as well as how to prevent and control common household insect infestations.

Read about pest management on Yard and Garden News


Crop insects

Corn insects

Insects, diseases and nematodes affecting corn

Soybean insects

Insects and diseases affecting soybean

Household insects

Insects that infest homes

Ants, bed bugs, clothes moths, cockroaches, flour beetles, springtails, wasps

Nuisance insects

Boxelder bugs, Asian lady beetles, flies, earwigs, masked hunters, springtails and stinkbugs

Product and houseplant pests

Pantry pests, carpet beetles, clothes moths and silverfish

Insect relatives

Spiders, ticks, mites, millipedes, centipedes, scorpions and sowbugs

Biting insects

Bed bugs, ticks, fleas, wasps and medically significant insects


Honey bees, bumble bees and native bees

Visit the Bee lab for information on helping pollinators

Flowers for pollinators

Bee lawns, pollinator friendly plants, pollinator health

How pollinator friendly is your yard and garden?

Take this quiz and learn how your backyard could better benefit bees and other beneficial insects

Plants for Minnesota bees

List of plants bees will visit

Yard and garden insects

Flower insects

Four-lined plant bug, iris borers, rose chafers, spider mites

Fruit and vegetable insects

Asparagus beetles, cabbageworms, Colorado potato beetles, spotted wing drosophila, squash vine borers

Lawn insects

Bluegrass billbug, cicada killers, cutworms, white grubs

Tree and shrub insects

Aphids, caterpillars, Japanese beetles, scales, sawflies

Biting insects and insect relatives

Bed bugs, ticks, fleas, wasps and medically significant insects

What insect is this?

Identify insects

Identify insects in and around your home and yard

What's wrong with my plant?

Plant diseases, insects pests of plants, control weeds

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