Articles
Gardening Articles
Research-based horticulture information to help keep your plants and gardens thriving.
Indian Meal Moth
Phil Pellitteri, UW Insect Diagnostic Lab Revised: 4/27/2004 Item number: XHT1047 Are little moths fluttering around the kitchen? Are white worms crawling out of the bird seed? A very common indoor pest at any time of the year is the Indian meal moth. Adult Indian meal moths are small insects with a wingspread of about […]
Fungus Gnats and Shore Flies in Greenhouses
Fungus gnat feeding on plant roots can cause root rots in greenhouse settings. Shore flies are often confused with fungus gnats in the greenhouse. Learn about these pests here.
Tatters
Tatters is a leaf disorder affecting primarily trees in the white oak group. This factsheet has more information about what Tatters is and symptoms to watch for.
Deer Flies and Horse Flies
Phil Pellitteri, UW Insect Diagnostic Lab Revised: 4/27/2004 Item number: XHT1049 There are over 30 species of blood feeding deer flies (Chrysops) and horse flies (Tabanus, Hybomitra) found in Wisconsin. They belong to a family of flies called the Tabanids. Deer flies and horse flies can be active from May until September. The adult females […]
Tubakia (Actinopelte) Leaf Spot
Tubakia (Actinopelte) leaf spot is a common late-season leaf disease of oaks, especially those in the read oak group. Learn symptoms and management in this factsheet.
White Mold
White mold is a serious and often lethal fungal disease that affects a wide variety of plants. Learn about symptoms and management in this factsheet.
Drugstore Beetles
Phil Pellitteri, UW Insect Diagnostic Lab Revised: 5/20/2011 Item number: XHT1103 The drugstore beetle and the closely related cigarette beetle are small reddish-brown beetles that infest grains, pet food, straw flowers, tea, old rodent bait, red pepper, flour, spices, leather, animal hair, tobacco and other dried plant material. Historically, these insects were often pests of […]
Plum Pox
Plum pox, aka “sharka”, is a virus disease that affects stone fruits such as plums, peaches, apricots and nectarines, making fruit deformed, tasteless and inedible. Learn about symptoms and management here.
Crown Gall
Crown gall is the most widely distributed bacterial disease of plants in the world. This factsheet describes what crown gall looks like and how to avoid problems with this disease.
Butternut Canker
Butternut canker is a fungal disease that affects native butternut trees, causing multiple cankers on trunks and branches, eventually killing the trees. Learn to recognize this disease in this factsheet.
Bird’s Nest Fungi
Bird’s nest fungi are not harmful to plants, but grow on decomposing organic matter, such as on mulch in planting beds with damp, shady conditions. Learn more in this factsheet.
Black Spot
Black spot is a common and potentially serious leaf spot disease affecting many types of roses. Learn about symptoms and management in this factsheet.
