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 ...

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 ...

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

Spots on the leaves of plants in the home landscape can be an indication of a hazardous condition for commonly used shrubs. Armored scale is a class of insect pest found on many plants used in Leon ...

Spring beauty is fleeting, and so is the opportunity to stop scale insects that live on the bark of magnolia trees and suck their sap. “With scale insects, timing is everything,” said Sharon Yiesla, ...

My magnolia had a problem with magnolia scale last year. Will it come back, and should I take some action to protect my tree? The leaves were covered in a black mold late last summer. — Frank Butler, ...

Since they overwinter, you can scout for them at any time of the year. Carefully peel back the top coat of the scale to identify if it is still alive. Alive, they will be pink, orange or light ...

Magnolia scale (Neolecanium cornuparvum) is a soft scale insect that attacks only magnolia trees, including the popular star magnolia (Magnolia stellata) and saucer magnolia (Magnolia x soulangiana).

Above: lady beetles are being released into Purdue greenhouses as a biological control agent. Photo by Purdue University. Some insects are pests, but not all insects are bad. Overwhelmingly, the ...