Coccus hesperidum Yes () Yes. ACT, NSW, NT, Assessment not required Assessment not Assessment not No Linnaeus, 1758 Qld, SA, Tas., Vic., required required WA (). [Coccidae] Brown soft scale Diaspis boisduvalii Yes (; ) Yes. Qld, SA, Tas. (; ). Yes. Pineapple is a known host for D. Yes. Diaspis Yes. Diaspis Yes (EP, WA) Signoret, 1869 boisduvalii, and this species can be found on boisduvalii is boisduvalii is Regulated as a all areas of its host plant including fruit polyphagous and recorded as a pest [Diaspididae] Declared Organism during high levels of infestation (; ). They are found in of banana, (Prohibited (s12)) Boisduval scale extremely small and may go unnoticed greenhouses pineapple and of WA Biosecurity during harvest and packing. around the world, other crops grown and Agriculture and is already in Australia, and is Management Act present in also recorded as a (2007) (). Tasmania (). This significant pest of species may be greenhouse wind dispersed (), orchids (). which would allow it to spread to Western Australia.
Coccus hesperidum Linnaeus, 1758 [Coccidae] Brown soft scale Yes () Yes. ACT, NSW, NT, Qld, SA, Tas., Vic., WA (). Assessment not required Assessment not required Assessment not required No Diaspis boisduvalii Signoret, 1869 [Diaspididae] Boisduval scale Yes (; ) Yes. Qld, SA, Tas. (; ). Regulated as a Declared Organism (Prohibited (s12)) of WA Biosecurity and Agriculture Management Act (2007) (). Yes. Pineapple is a known host for D. boisduvalii, and this species can be found on all areas of its host plant including fruit during high levels of infestation (; ). They are extremely small and may go unnoticed during harvest and packing. Yes. Diaspis boisduvalii is polyphagous and found in greenhouses around the world, and is already present in Tasmania (). This species may be wind dispersed (), which would allow it to spread to Western Australia. Yes. Diaspis boisduvalii is recorded as a pest of banana, pineapple and other crops grown in Australia, and is also recorded as a significant pest of greenhouse orchids (). Yes (EP, WA)