Skip to main content

NC State Extension

Commercial Horticulture, Nursery & Turf

False oleander scale on Magnolia grandiflora. Photo: SD Frank

Time to Monitor False Oleander Scales

False oleander scale, Pseudaulacaspis cockerelli, is a tropical and subtropical pest originally from China. It is common throughout many …

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 …

Learn More Using the Resources Below

Recent Publications related to Commercial Horticulture, Nursery & Turf

Mapleworm egg cluster

Greenstriped Mapleworm

This Insect Note describes the biology and management of greenstriped mapleworm, a caterpillar pest of …

14 hours agoEntomology Insect Notes
Figure 3. Greenhouse whitefly nymph.

Greenhouse Whitefly

This Entomology Insect Note describes the biology and control of the greenhouse whitefly, an insect …

14 hours agoEntomology Insect Notes
Figure 2. Granulate ambrosia beetle trap.

Granulate (Asian) Ambrosia Beetle Trapping

This Entomology Insect Note offers information on scouting and trapping the granulate (Asian) ambrosia beetle, …

15 hours agoEntomology Insect Notes
For square spacing, the distance between plants within rows (X)

Selection and Use of Stress-Tolerant Bedding Plants for the Landscape

Each of us are subjected to stresses and pressures every day in our home, work, …

Pruning Field Grown Shade and Flowering Trees

Every nurseryman should know how to prune trees and the reason for the various pruning …

Managing Drought on Nursery Crops

Drought has always caused nursery crop producers great concern. If irrigation water becomes limiting, growers …

2 days ago

Using the PourThru Procedure for Checking EC and pH for Nursery Crops

Every nursery needs to have someone who routinely checks Electrical Conductivity (EC) also called soluble …

The Pour-Through Extraction Procedure: A Nutrient Management Tool for Nursery Crops

By routinely measuring the electrical conductivity (EC) and pH of growing media and irrigation water …

2 days ago