Southeastern Ornamental Horticulture Production and Integrated Pest Management

News alerts and tips from Southeastern universities.

Tuliptree scales blacken tulip polars

If you haven’t met tuliptree scale, Toumeyella liriodendri, its high time you did. I found dense patches of it at a local playground the other day. I was tipped off by honeydew, which can mean tulip poplar aphids, but also … Continue reading →
Read More

Retailers to require neonic plant labels

Scientific American is reporting from Reuters that Home Depot, BJ’s Wholesale, and other smaller retailers will soon require vendors to label plants that have been treated with neonicotinoid insecticides. Neonicotinoids are among the most commonly used insecticides on ornamental crops and … Continue reading →
Read More

Tiny lady beetle predators of soft scale

Hyperaspis binotata is an important natural enemy of soft scales in eastern US. It particularly came to the attention of researchers trying to control terrapin scale on orchard trees in the early 20th century. It feeds on lecanium scales, Pulvinaria … Continue reading
Read More

Bees and neonicotinoids

Originally posted on Two recent publications will help growers, landscapers, retail outlets, and the public understand the risks and benefits of neonicotinoid insecticides without the hype. These extension publications provide a balanced account of the current research and restrictions. Planting garden center flowers is good for bees and other beneficial…
Read More

Maple spider mite damage and management

Maple spider mites (Oligonychus aceris) are common and damaging pests of maple trees throughout the Eastern United States. These spider mites overwinter on the trunk and branches of maple trees and migrate to the underside of leaves in the spring. Once there, they use their mouthparts to pierce leaf cells and feed…
Read More