The underside of the Karner blue seen perched on the host plant, wild lupine (Lupinus perennis). Photo by Paul Labus, The Nature Conservancy, Indiana.
Karner Blue and Lupine, Paul Labus TNC
The underside of the Karner blue seen perched on the host plant, wild lupine (Lupinus perennis). Photo by Paul Labus, The Nature Conservancy, Indiana.
New York State Parks and Historic Sites Blog 
