This species was intercepted at U. S. ports-of-entry 18 times between 1995 and 2012, with specimens originating from Australia, Israel, and The Netherlands. We also have examined specimens taken in quarantine from Australia (Leucodendron). ScaleNet lists only Proteaceae (Hakeasericea). It is most commonly collected on another genus of the family, Persoonia and also on Leptospermum (Myrtaceae). ScaleNet distribution records for P. hakeae include only New South Wales in Australia. Several species of Phenacoccus other than P. defectus Ferris,P. franseriae Ferris, P. gossypii Townsend & Cockerell, P. hakeae, P. helianthi (Cockerell), P. madeirensis Green, P. parvus Morrison, P. solani Ferris, P. solenopsis Tinsley and P. stelli (Brain) have been taken at U. S. ports-of-entry including: P. alleni McKenzie (Mexico, on Artemisia); P. avenae Borchsenius (Turkey, on Stachys); P. azaleae Kuwana (Japan, on azalea); P. graminicola Leonardi (New Zealand, on Feijoa); P. hurdi McKenzie (Mexico, on Dendranthema and Capsicum); P. indicus Avasthi & Shafee (Thailand, on Euphorbia); P. multicerarii Granara de Willink (Mexico, on unknown host); P. manihoti Matile-Ferrero (Central Africa and South America, on Manihot); P. nephelii Takahashi (Thailand, on Garcinia; Vietnam, on Nephelium); P. pergandei Cockerell (Japan and Korea, on Diospyros, Magnolia, Malus, Prunus, Punica, and Rhododendron); and P. persimplex Borchsenius (Kazakhstan, on Malus). This species was found in California in 2013 on Protea, Leucodendron, and Grevillea but it is not considered to be established.