Chambers, E.L. 1925 Controlling the pests of greenhouse and ornamental plants.. Annual Report (Wisconsin Horticultural Society) 4: 149-165.
Notes: Species discussed include Chrysomphalus ficus, Coccus hesperidum, Saissetia hemisphaerica, Hemichionaspis aspidistrae, Aspidiotus hederae, Pseudococcus adonidum, P. citri and Orthezia insignis.