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 ...

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 ...

I was asked about scale damage to trees. Scales, relatives of aphids and whiteflies, suck plant juices out of many types of plants. Soft scales exude a sticky residue called honeydew that drips all ...

Scale insects are the most common group of insects to weaken ornamental trees and shrubs in Pitt County. Scales are piercing, sucking insect pests. They feed on sugary plant sap. The waste of these ...

Many people have a potted citrus plant or two that they keep indoors during the winter and move outdoors for the summer. It may be one of those dwarf trees that produce full-sized fruit. Or it could ...

Scale insects (Hemiptera: Coccoidea) comprise a diverse assemblage of sedentary sap-feeding insects that exhibit remarkable morphological and ecological variation. Taxonomically they are divided into ...