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 ...

I got an email with some pictures a few years ago asking me about magnolia scale, which is a topic I have written about for a number of years. I feel confident the insect was magnolia scale. The ...

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 ...

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 ...

Q: I am attempting to send you a picture of my angels trumpet after I took it inside. All the leaves fell off, and a white mold-looking substance started to form. One trunk put on new leaves and the ...

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 ...