Montana State University

Eva Grimme, Ph.D.

Plant Disease Diagnostician
Department of Plant Sciences and Plant Pathology
121 Plant BioScience Facility
Montana State University
Bozeman, MT 59717-3150

Tel: (406) 994-5150
Fax: (406) 994-7600
eva.grimme@montana.edu

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Recent Alerts

Seasonal Needle Drop (Horticulture/Urban IPM)
Description: Fall – the time of the year when the days are getting shorter and night temperatures are falling. Luckily, with lots of sunshine in Montana, we are able to enjoy the full fall-color palette of deciduous trees. However, the yellowing of conifer needles in the fall may cause some concern. This physiological reaction of conifers, known as seasonal needle drop, is a natural process to prepare the trees for winter. The amount of needle-loss is dependent upon species, temporal factors and environmental conditions. Please see the attached PDF for more information.
Alert Period: 10/10/2017 - 11/30/2017
Submitted By: Eva Grimme
Alert Documents:
Dirt-colored seed bug (Horticulture/Urban IPM)
Description: The dirt-colored seed bug is invading homes in the Gallatin area. Dozens of these insects are congregating on the outside of buildings and entering homes. See the attached pdf for more information.
Alert Period: 09/08/2017 - 12/01/2017
Submitted By: Laurie Kerzicnik
Alert Documents:
Elm seed bug (Horticulture/Urban IPM)
Description: The elm seed bug is a new pest that was recently discovered in Montana in November of 2016. The identification of the bug was confirmed in June of 2017. It has now been discovered in the following counties with several reports in homes: Ravalli, Sanders, Missoula, Broadwater, Lewis and Clark, and Yellowstone.
Alert Period: 09/07/2017 - 11/30/2017
Submitted By: Laurie Kerzicnik
Alert Documents:
Hobo spiders_Missoula County and western Montana (Horticulture/Urban IPM)
Description: We are starting to receive reports of hobo spiders entering buildings. Please see this pdf for more information.
Alert Period: 08/07/2017 - 11/30/2017
Submitted By: Laurie Kerzicnik
Alert Documents:
Home-Invading Weevils_statewide_12 July 2017 (Horticulture/Urban IPM)
Description: Montana has several home-invading weevils that come into our homes starting in April and all the way through November. See this pdf for more information.
Alert Period: 07/12/2017 - 11/30/2017
Submitted By: Laurie Kerzicnik
Alert Documents:
Sample submissions to the Schutter Lab_mailing samples (General)
Description: For those of you shipping samples to the Schutter Diagnostic Lab, we wanted to send out a few reminders for good sample submission. We are experiencing a lot of dried out samples that are in poor shape for diagnoses. Please see the attached pdf for some tips.
Alert Period: 07/11/2017 - 11/30/2017
Submitted By: Laurie Kerzicnik
Alert Documents: