John .A. Davidson, Univ. Md, College Pk, Bugwood.org

United States National Collection of Scale Insects Photographs , USDA Agricultural Research Service, Bugwood.org

Whitney Cranshaw, Colorado State University, Bugwood.org

United States National Collection of Scale Insects Photographs , USDA Agricultural Research Service, Bugwood.org

Whitney Cranshaw, Colorado State University, Bugwood.org

E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org