Occoquan Butterfly and Dragonfly Survey
Occoquan Regional Park 9751 Ox Road, Lorton(VA) (Northern Virginia Bird Alliance) Butterfly and dragonfly surveys are carried out in temperate months (April-October), normally on Friday mornings, at one of four sites around Occoquan Bay, all within the 15-mile diameter circle established for the annual North American Butterfly Association's Annual Count. The results of these surveys are made available to the participants and other interested individuals and ...