Fall Tree Care: Identifying Common Tree Insects in Fall, Part Three
This is the third of a four part series on fall tree insects. Introduction In fall, while preparing for winter dormancy, many plants shed their leaves in a burst of…
Fall Tree Care: Identifying Common Tree Insects in Fall, Part Two
Introduction In fall, while preparing for winter dormancy, many plants shed their leaves in a burst of color. During this period, certain tree insects can be easily identified. The following…
Insect Profiles: Oak Leaf Gall Mite (Pyemotes herfsi)
Introduction Oak leaf gall mite (Pyemotes herfsi), also known as itch mite, is an ectoparasitic insect in the genus Pyemotes. It is a secondary invader of oak trees that parasitizes…
Insect Profiles: Spruce Spider Mite (Oligonychus ununguis)
Introduction Spruce spider mite (Oligonychus ununguis) is a small pest that infests numerous conifers. The insect is native to North America. It is one of the most destructive spider mites…
Insect Profiles: Knopper Gall Wasp (Andricus quercuscalicis)
Introduction Knopper gall wasp (Andricus quercuscalicis) is a gall wasp species that infests two types of oak trees: common oak, and turkey oak. The word knopper is derived from the…
Insect Profiles: Magnolia Scale (Neolecanium cornuparvum)
Introduction Magnolia scale (Neolecanium cornuparvum) is an insect that feeds exclusively on magnolia plants. It is one of the largest scale insects in the United States. The insect feeds by…
Chrysomelidae - Pyrrhalta viburni
Insect Profiles: Viburnum Leaf Beetles (Pyrrhalta viburni)
Viburnum leaf beetle (Pyrrhalta viburniI) is an insect that feeds on the foliage of viburnum plants. The beetle is native to Europe and Asia. It was first identified in North…
Insect Profiles: Cottonwood Leaf Beetle (Chrysomela scripta)
Introduction Cottonwood leaf beetle (Chrysomela scripta) is a significant defoliator of aspen, cottonwood, poplar, and willow. The insect is a native pest that occurs throughout the United States. While it…
Insect Profiles: Brown Marmorated Stink Bug (Halyomorpha halys)
Introduction Brown marmorated stink bug (Halyomorpha halys), often abbreviated to BMSB, and sometimes referred to as a stink bug, is a true bug in the family Pentatomidae. Brown marmorated stink…
Insect Profiles: Whitefly (Trialeurodes vaporariorum)
Introduction Whitefly is a small insect that infests a diverse array of plants. More than 1,500 species of whitefly have been discovered worldwide. Whiteflies comprise the family Aleyrodidae. The nymphs…