The gypsy moth is a non-native, serious pest of over 600 hardwood tree and shrub species. The gypsy moth damages the plants when the caterpillar stage eats the leaves. When there are many caterpillars and the damage occurs over several years, the continual defoliation can weaken and sometimes kill the trees.

The gypsy moth [...] Read More

An extensive tree inventory will help to assess the risk the emerald ash borer may pose to Winneshiek County.

This past May, the emerald ash borer, the invasive insect from eastern Asia that kills ash trees, was found on an island on the Iowa side of the Mississippi River near New Albin by the [...] Read More