Last week I wrote about soft versus armored scale insects. Soft scales exude honeydew, are protected by ants and can be ...

I was asked about scale damage to trees. Scales, relatives of aphids and whiteflies, suck plant juices out of many types of ...

Garden staff are finding more scale insects and aphids than in past years. A major infestation of lecanium scale was recently found on a large planting of bald cypress at the Garden. The population of ...

Scale insects are one of the most common and tenacious pest of ornamental plants. “Scales are tiny insects that appear rounded and flat with a waxy coating, like a little shield,” says Alejandro ...

Scale insects can be difficult to identify. At a first glance, they look like small bumps on the stems of leaves of your plants, making them easy to mistake as part of the plant itself. But beneath ...

SHREVEPORT, La. - Viburnum, a staple in many Louisiana landscapes, has been suffering from a common but alarming affliction. Homeowners may notice a black, waxy buildup covering their plants, sparking ...

Q: This is a picture of our dogwood tree with white growths on it. Your help is appreciated. A: Your dogwood tree has a healthy case of scale insects. Scale insects attach themselves to the host plant ...

Scale insects can infest and damage many of the plants we grow in our landscapes and indoors. They feed on the sap of plants, and a large enough population can weaken a plant, damage it or even kill ...

We enjoy magnolia trees for their beautiful early spring flowers, but in summer they sometimes get downright ugly. Gardeners may notice a fuzzy black coating on branches or a sticky glaze that ...

Q: Everything under one of my large potted plants on the patio is turning black. What isn’t black is sticky. What is wrong with this plant? A: From the pictures you sent me, we know that the black ...

Crape myrtles, an ornamental tree popular in landscapes throughout the state of Delaware, are prized for their beauty, exfoliating bark in shades of silver and cinnamon, and long-lasting flowers in a ...