Category Archives: Invasive Species

Problem plants, what they mean, and what can be done about them

Boxelder bugs inside homes during winter

Boxelder bugs inside homes during winter Jeffrey Hahn, Extension Entomologist With the recent mild weather we have experienced, some residents have been finding boxelder bugs and lady beetles in their homes. This is actually not unusual in the middle of the winter. These insects remain inactive as long as their hiding places in various wall […]

Emerald Ash Borer Identified in Minneapolis and St. Paul

The emerald ash borer was identified in St Paul, Minneapolis, and in the neighborhoods of Shoreview, and Falcon Heights this summer. Do you have ash trees on your property? Are they affected by emerald ash borer? If you do not know what an emerald ash borer looks like, visit the University of Minnesota’s emerald ash […]

Top 10 Noxious Weed List in Minnesota

A noxious weed, according to Minnesota law, is an annual, biennial, or perennial which is deemed by the Commissioner of Agriculture to be injurious to public health, public roads, environment, crops, livestock, and other property. In Minnesota, there are ten weeds on the primary noxious weeds list. They are: Field Bindweed Hemp Poison Ivy Purple […]

Invasion of the Japanese Beetles

Japanese Beetles We have had numerous reports of heavy infesta­tion of Japanese beetles this season. Japanese beetles have been active above ground feeding on the foliage of grass, plants, and ornamental garden plants such as vines. Adult Japanese beetles begin laying eggs in the ground typically during the month of July. The most effective way […]