Introduction Elm leaf beetle (Xanthogaleruca luteola) is a significant nuisance of elm trees.
Introduction Black spot of rose is one of the most widespread plant diseases around the world.
Introduction Black rot of apple, also called frogeye leaf spot, is a fungal disease that infects the fruit, leaves, and bark of various hardwood trees, including apple, pear, and quince.
Introduction Aphids, also known as plant lice, blackflies, or greenflies, and sometimes erroneously referred to as whiteflies, are small, soft-bodied insects that feed on the sap and other liquids of […]
Introduction Forest tent caterpillar (Malacosoma disstria) is a significant defoliator of various trees and shrubs.
Introduction Eastern tent caterpillar (Malacosoma americanum) is a species of moth that is native to North America.
Introduction Pine needle scale (Chionaspis pinifoliae), also referred to as white scale, is a tiny armored insect that infests various species of pine.
Introduction White pine blister rust is a fungal disease of white pine.
Introduction Pine-oak gall rust, also referred to as eastern gall rust, is a fungal disease that affects various pine and oak trees.
Introduction Pine-pine gall rust, also referred to as western gall rust, and Woodgate gall rust, is a fungal disease that infects two and three needle pine trees.
Introduction Lophodermium needle cast is a fungal disease that affects two and three needled pines, as well as some five needled pines.
Introduction Elytroderma needle cast, also known as Elytroderma disease, is a fungal disease of pine trees.
Introduction Dothistroma needle blight, often referred to as red band disease in the western United States, is a devastating foliar disease of pines.
Introduction Southern pine beetle (Dendroctonus frontalis) is a small insect that is native to North America.
Introduction Annosum root rot, also referred to as annosus root rot, is a fungal disease of pine, spruce, and fir trees.
This is the second half of a two part series on saucer magnolia cultivars.
This is the first half of a two part series on saucer magnolia cultivars.
Introduction Rhizosphaera needle cast is a fungal disease that affects many spruce trees, particularly Colorado blue spruce, and Engelmann spruce.
Introduction Pine wilt disease is an affliction of pine caused by the pine wood nematode, Bursaphelenchus xylophilus.
Introduction Pine needle rust is a fungal disease that affects many species of pine.