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Pest Management

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Larvae of the larger elm leaf beetle. Photo: Gerald J. Lenhard, Louiana State Univ, Bugwood.org

Larger Elm Leaf Beetle

Elms have lots of pests. This week I have had several reports of larger elm leaf beetles, Monocesta coryli, …

Imported willow leaf beetles and feeding damage on willow. Photo: SD Frank

Imported Willow Leaf Beetles

You can find a lot of damage on willows this time of year because imported willow leaf beetles have …

Sawfly larvae, probably Caliroa quercuscoccineae, on a red oak and the window pane damage they cause. Photo: SD Frank

Sawflies Feeding on Oaks

Oaks have hundreds of herbivores so it is no wonder that towards the end of summer some of the …

Beech blight aphids (Grylloprociphilus imbricator) on a beech twig. Photo:SD Frank

Beech Blight Aphids

You might notice twigs on beech trees covered in a woolly sleeve. Get closer and it will begin to …

Oak lace bug adults, nymphs, and eggs on the underside of an oak leaf. Photo: SD Frank

Oak Lace Bug Damage

Oak lace bugs (Corythucha arcuata), like other lace bugs, cause stippling on leaves. Oak lace bugs, of course, feed …

Fall webworm nest. Photo: SD Frank

Fall Webworms

Fall webworms, one of our native insect pests, are a perennial nuisance and in some cases a destructive pest. …

Late instar orangestripped oakworm larva on a sidewalk with frass. Photo: SD Frank

Orangestripped Oakworms Hatching

Orange striped oakworms started hatching in Raleigh this week. They have one generation per year. Adults emerge in mid …

Oak spider mite damage on pin oak leaves. Photo: SD Frank

Summer Brings Spider Mites

Most tree species are fed upon by spider mites and many even have their own species. These include maple …

A swimming pool behind a house

Unwanted Pool Guests

Honey Bees – When summer weather turns hot and dry, honey bees (and other insects) will frequently seek out any …

Tulip tree scales and white fluffy lady beetle larvae on a tulip poplar twig. Photo:SD Frank

Natural Enemies in Disguise

Tulip tree scales and other soft scales are maturing and producing a lot of honeydew. This makes people notice …

impounded water near parking lot

"Raining" in Mosquitoes

Recent heavy rains and flooding across many areas of the state will create many breeding areas for mosquitoes. While …

Recent Publications related to Pest Management

Knockout rose chlorosis caused by imazapyr spray drift.

Acetolactate Synthase (ALS) Inhibitors

This factsheet describes the symptoms of an ALS inhibitor herbicide injury.

Photo of twospotted spider mite adults, nymphs, and eggs on leaf

Twospotted Spider Mite in Industrial Hemp

This factsheet discusses the symptoms and management of the twospotted spider mite in industrial hemp …

1 day ago
Photo of small white hemp russet mites on hemp leaf

Hemp Russet Mite in Industrial Hemp

This factsheet describes the symptoms and management of the hemp russet mite, a pest of …

1 day ago
Many different aphids on a cannabis leaf

Cannabis Aphid in Industrial Hemp

This factsheet discusses the biology, damage, and management of the cannabis aphid in industrial hemp …

1 day ago
soybean leaves with white powdery coating

Soybean Powdery Mildew

Powdery mildew is a common foliar disease caused by a fungus. The causal agent of …

Peanut plants with severe defoliation

Peanut Leaf Spots

This factsheet covers the signs, symptoms, and control of early leaf spot in peanuts in …

2 days ago
Photo of elm leafminer sawfly

Elm Leafminer

This factsheet describes the biology of the elm leafminer sawfly, Kaliofenusa ulmi or Fenusa ulmi, …

1 week agoPDIC Factsheets
This deodar weevil is somewhat reddish.

Deodar Weevil / Eastern Pine Weevil

This factsheet describes the biology of the deodar weevil or eastern pine weevil, Pissodes nemorensis, …

1 week agoPDIC Factsheets