Alumna Birthisel to speak on alternatives to pesticides

Alumna Sonja Birthisel, class of 2010, is presenting a class to farmers and gardeners in Maine about how predatory ground beetles can reduce weeds at the Maine Organic Farmers and Gardeners Association Thursday. Birthisel graduated from Luther with a Bachelor of Arts in biology. She's currently working toward a doctorate in ecology and environmental sciences from the University of Maine.