Lab photo of a black spider with a red hourglass shape in its underside

Western Widow (Latrodectus hesperus). Photo by Laurie Kerzicnik. Larger image (3.2MB)

The Extension IPM Urban Entomology program at Montana State University focuses on providing horticulture and structural insect information and identification for home owners, businesses, and public institutions throughout Montana and the Pacific Northwest.

This page serves as a directory for urban entomology related publications and other educational resources.  To learn more about the family of integrated pest management (IPM) programs at MSU, simply explore this page further, or navigate to the IPM homepage.

For more information about this program, contact MSU Extension arthropod diagnostician Dr. Laurie Kerzicnik.  Please direct general insect inquiries and sample submissions to the Schutter Diagnostic Lab.

What's Happening with Insects

The latest news, events, and publications made available by the Extension IPM Urban Entomology program.  Stay up-to-date on the latest Montana entomology news by subscribing to MSU Extension Urban IPM Alerts.

  • During late summer and early fall it is normal for spiders to enter buildings and homes. This includes hobo spiders which have long been prevalent in Montana. Common misconceptions about the hobo spider often cause unnecessary concern. Learn more about hobo spiders

  • Several questions are coming in about the Asian giant hornet (a.k.a. “murder hornet). To date, it has not been detected in Montana.  Asian Giant Hornet and Common Look-alikesfact sheet
  • Grasshoppers are an issue statewide. Grasshopper fact sheet
  • We have several social wasps in Montana. Except for the Western yellowjacket, social wasps are typically not aggressive unless their nest is disturbed. Most are beneficial and feed on a lot of our garden pests. Our most common wasps are bald-faced hornets, aerial yellowjackets, Western yellowjackets, and paper wasps. Social wasp fact sheet

  • The brown marmorated stink bug (BMSB), Halyomorpha halys, has been confirmed in Billings and Kalispell. Learn more about this pest

Explore Further

Browse urban entomology fact sheets, and explore related Extension IPM programs.

Directory of available urban entomology publications, multimedia, and educational tools.

Meet the Extension IPM Urban Entomology team and learn more about this program.

Integrated pest management focused on educating professionals in the fields of arboriculture, landscape, nursery and lawn care.

Working to reduce health and environmental risks from pest management, as well as improve practices, and increase IPM adoption.



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