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Online Insect Identification Tool

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Online Insect Identification Tool

This online insect identification tool is brought to your by the UW-Madison Department of Entomology and the UW-Madison Insect Diagnostic Lab.

+All Insects Grouped by Category - Click to expand in this page
All Insects Listed Alphabetically - Click to view in another page

Click the boxes above to browse through 200+ Wisconsin insects by name, type, or by photo.  While certain insects can be found across the country, many insects can be region-specific.  Thus, this online tool is most relevant for residents of Wisconsin and the Great Lakes Region.  If you aren’t able to identify your particular insect or would like additional information, visit the main Insect Diagnostic Lab website.

In addition, there are a number of UW-Extension factsheets and other resources available for insect pests under the “pest resources” menu.


Here’s a preview:

Spongy Moth: 2022 Late-Season Update

Heading into the growing season, spongy moth (Lymantria dispar, formerly known as the "gypsy moth") was poised to have a ...
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What’s Eating My Roses in Spring? — Sawflies

If you’re seeing insect damage on your roses this spring, you aren’t alone and there are a number of early-season ...
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A New Tool To Help Track Invasive Insects in Wisconsin

The United States Department of Agriculture (USDA) declared April to be Invasive Plant Pest and Disease Awareness Month. To support this ...
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