Yard and Garden > Weed and Insect Management


Ask ISU About Plant and Insect Problems
Contact information for help with horticultural and field crop diseases; insects and insect damage; herbicide plant injury, herbicide use, and weed identification; home gardening information; and inj
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Common Problems of Ash Trees
Many ash tree problems can be mistaken for emerald ash borer infestation. Before removal or needlessly treating with pesticides, use this diagnostic guide to distinguish emerald ash borer injury from
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Common Spiders in and Around Homes
Identify common spiders, find information about spider behavior and bites, and learn how to manage spiders indoors and around your home. Find full color, up close photos of specimens to aid identifica
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Dutch Elm Disease and Disease-Resistant Elms -- Sustainable Urban Landscapes
Find out about disease-resistant elms to combat Dutch Elm Disease.
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Emerald Ash Borer Management Options
Homeowners and commercial pesticide applicators will find control measures to consider in preventing and treating the infestation of ash trees by the emerald ash borer. Includes product recommendation
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Hosta Diseases and Pests -- Sustainable Urban Landscapes
Easily identify common diseases and pests and how to manage them effectively.
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Household Pest Identification Form
Are you uncertain about an insect you have around your home? Print this form and send it along with your sample to the Entomology department to have them check it out.
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Houseplant Insect Control
Prevention is the first step in controlling houseplant insects. This web-only guide provides descriptions and photos of nine common houseplant pests plus suggestions for treatment.
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Human Lice
There are three species of lice that can at times infest humans—the head louse, the body louse, and the crab or pubic louse. Human lice infestations can be controlled and prevented easily and effecti
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Insect pests of stored foods
"Pantry pests" are one of the most common household insect problems. Use these facts to help detect, prevent, and eliminate them in your food storage areas.
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Potentially Dangerous Spiders
Few species of spiders and their bites are medically significant to people. Read about spider bites and potentially dangerous spiders, including the black widow, brown recluse, and sac spiders.
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Scale Insects on Ornamental Plants
Scale insects are sap-feeding insects that derive their name from the scale or shell-like waxy covering that conceals their bodies. In Iowa, most species of shade trees, fruit trees, and ornamental s
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Selecting a Termite Control Service
If you suspect your house is infested with termites or if other property in your neighborhood has termites, consult this publication for information on how to make a decision for a termite service con
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Sending Plant and Insect Samples to ISU
Detailed instructions for sending plant and insect samples for analysis.
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Ticks and Tick-borne Diseases in Iowa
Here's information on the three most common ticks found in Iowa, the time of year they are active, and the types of disease that ticks can transmit to humans and animals.
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Weed Management in the Home Garden
Describes three methods of weed control for the home gardener; includes tips for using mulches effectively.
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