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Florida wax scale   (Ceroplastes floridensis).Photo credit: United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org

Kermes scales (Kermes sp.) on oak (Quercus sp.).
Photo credit: United States National Collection of Scale Insects Photographs Archive, USDA Agricultural Research Service, Bugwood.org

Pine scale (Chionaspis heterophyllae) on a needle of mugo pine (Pinus mugo)
Photo credit: Lorraine Graney, Bartlett Tree Experts, Bugwood.org

Woolly pine scale (Pseudophilippia quaintancii).
Photo credit: Lacy L. Hyche, Auburn University, Bugwood.org