Skip to main content

Insect & Pests

All Insect & Pests Content

hand holding three green apples with a dimpled, lumpy appearance

Apple Issues

Learn to identify and manage common apple tree issues including: apple maggot injury, apple scab, cedar apple rust, and fruit cracking.

Man wearing a long-sleeved shirt and waterproof gloves loading pesticide-contaminated clothing into a washer. Courtesy: NDSU Extension

How to Properly Launder Insecticide-Contaminated Clothes

It is important to prevent insecticide exposure from occurring when laundering contaminated or potentially contaminated clothing.

a black weevil with red to brown legs and antennae

Root Weevils & Imported Longhorned Weevils Finding Their Way Inside

We have been receiving reports of small, black insects that are observed crawling up bathroom walls, hanging out in basements, or otherwise finding their way inside.

a long, worm-like caterpillar with small black spots and white markings

Achemon Sphinx Moth Caterpillars

Achemon sphinxe caterpillars (Eumorpha achemon) feed on wild grape, Virginia creeper, and related vines.

black insect sitting on white background

Root Weevils: Accidental Invaders

The latest insects to find their way inside South Dakota homes are the root weevils, a kind of beetle characterized by a distinct snout on the front of its head.

juniper greens with noticable browning on shoot tips.

Vole Damage to Junipers & Small Trees

Vole-damaged junipers can be identified by distinct yellowing and browning shoot tips, as well as unique gnaw marks.

hand holding grape leaf with several bumps throughout

Phylloxera: A Grape Pest

Some grape growers may notice that some of their shoots have bumpy growths on the bottom of new leaves. These bumps are galls caused by the grape phylloxera, an aphid-like insect.

Green plant leaf with several small, black beetles on it.

Dealing With Flea Beetles

Flea beetles are a common pest in South Dakota vegetable gardens.

spotted wing fruit fly male

Spotted Wing Fruit Fly Damaging Fruit Crops

The spotted wing fruit fly is a new pest problem that originated in Asia and was only first identified here in the United States in California in 2008. It was first seen in South Dakota in 2013.

Flock of mosquitoes in front of sunset.

West Nile in South Dakota: Expect Cases Into Early Fall

While it’s true that in South Dakota most West Nile Virus cases occur during August, new human infections are detected well into September in most years.