Moore, A., McConnell, J., & Watson, G.W. 2014 Camphor Scale Pseudaonidia duplex (Cockerell) (Hemiptera: Sternorrhyncha: Coccoidea: Diaspididae). Guam New Invasive Species Alerts 2014-05:1-2
Notes: Probably originating in Asia, this scale insect was reported from Hawaii and California in 1908.