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 ...

Maple trees in urban environments show signs of stress due to the urban heat island effect. Impervious surfaces like pavement retain heat and disrupt water absorption, stressing trees and making them ...

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 ...

Williams: to any question that did not involve scale insects, his usual answer was ‘I’ll think about it’ Douglas Williams, the entomologist, who has died aged 101, was a pioneer in scale insect ...

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 ...

In Wilmington one doesn’t have to look hard to find a stressed maple tree - bare twigs, early leaf drop, and lichen in the canopy are just some of the indicators your maple isn’t growing vigorously.

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, ...

It is common to want green living plants around us in our homes during the cold and gray days of winter. Unfortunately, the indoor winter environment is tough on plants, and insect pests can quickly ...