Phil Pellitteri, UW Insect Diagnostic Lab Revised: 4/27/2004 Item number: XHT1112 Have you ever found a strange, scorpion-like creature in your home? Pseudoscorpions are common, but rarely seen. They are harmless, small (1/16 to 1/8 inch long), tick-shaped critters that have a large pair of pincers, but lack the long tail and stinger of a […]
Phil Pellitteri, UW Insect Diagnostic Lab Revised: 4/27/2004 Item number: XHT1111 The sawtoothed grain beetle and the closely related Merchant grain beetle are common pests in the kitchen where they infest grains, cereals, pasta, pet food, straw flowers, tea, old rodent bait, candy bars, flour, spices, and other dried plant material such as potpourri. Sawtoothed […]
Before siting and starting a community garden, learn about types and sources of potential contaminants, the basics of soil testing, and how to limit exposure to contaminants in this publication.
Potato leafhopper can be a serious annual pest of a wide range of plants, including apple, beans, dahlia, eggplant, potato, rhubarb, strawberry and many bedding plants. Learn more about this pest in this factsheet.
Phil Pellitteri, UW Insect Diagnostic Lab Revised: 1/6/2005 Item number: XHT1039 Springtails are very common, small (1 to 3 mm long), wingless insects that jump or hop using a furcula, a forked structure on the underside of the abdomen that acts like a spring. Most springtails live in rich soils and leaf litter, or in […]
This factsheet describes two-lined chestnut borer, which is attracked to stressed and weakened oaks and is the most important insect cause of oak mortality.
Whiteflies are not true flies, but belong in the same order as scales, aphids and mealybuts. Several species can infest greenhouses. Learn how to identify and manage this pest in this factsheet.
Authors: David Lowenstein and Russell Groves, UW-Madison EntomologyLast Revised: 05/22/2020X-number: XHT1045 Wireworms are the larvae of several species of click beetles (Family Elateridae). These beetles flip into the air with an audible click when turned on their backs. Wireworms feed primarily on grasses (including grass crops such as corn) but have a broad host range that includes vegetables […]
Karen Delahaut, formerly UW-Madison Fresh Market Vegetable Program Revised: 1/12/2005 Item number: XHT1137 The common asparagus beetle (Criocercis asparagi) and spotted asparagus beetle (Crioceris duodecimpunctata) are annual pests of asparagus in Wisconsin. The common asparagus beetle is the more prevalent of the two species and the only one that causes economic damage to asparagus in […]
Authors: David Lowenstein and Russell Groves, UW-Madison Entomology Last Revised: 05/22/2019 X-number: XHT1030 The cabbage maggot (Delia radicum) is an early season pest of cruciferous/cole crops (e.g., cabbage, broccoli, Brussels sprouts, cauliflower, kohlrabi, rutabaga, turnip, and radish), as well as cruciferous weeds (e.g., wild mustard, water cress, wild radish). Cabbage maggot damages plants by feeding […]
Karen Delahaut, formerly UW-Madison Fresh Market Vegetable Program Revised: 5/28/2004 Item number: XHT1032 The imported cabbageworm (Pieris rapae) is a lepidopteran insect and the most important cole crop pest in Wisconsin. All cole crops, including cabbage, broccoli, Brussels sprouts, cauliflower, and rutabaga, are susceptible to attack by this insect. Appearance: Imported cabbageworm adults are the […]
Field ants are common in Wisconsin, and noted for producing large mounds that ruin home lawns and interfere with landscape plantings. This factsheet discusses identification and control.
