Medium/Medium: Primary hosts Low: Associated with damage to Lopholeucaspis japonica Cockerell, 1897 3 Pear and citrus are grown in WA. leaves and bark of host plants . Syn: Leucaspis hydrangea no recent Considered to have a low economic Early 1900’s reports, Syn: Leucaspis japonica records. impact on apples and pears, so also likely to have only a low economic Japanese baton scale / pear white scale impact on grapevines. Prohibited s12 (C1) – Mandalotus sp. Low/Low: Suitable hosts Low: Adults feed on leaves and 2 (particularly canola) are grown in larvae feed on roots . More of an madalotus weevil WA. Other Mandalotus spp. have issue for canola crops. Limited Unlisted (s14) been reported in WA . This is a reports associated with grapevines, flightless weevil so distant suggest this to be a minor issue. distribution is by movement of infested plant material or soil. Melampsalta sp. Unknown Low: Damage to woody parts by 2 oviposition . Limited reports black cicada associated with grapevines, so Unlisted (s14) unlikely to be an issue. Unknown Negligible: M.lounsburyi parasitise Metaphycus lounsburyi Howard, 1898 1 Grapevine scale (Parthenolecanium parasitic wasp therefore this is persicae persicae), Permitted s11 a biocontrol agent and not a pest. –
Lopholeucaspis japonica Cockerell, 1897 Syn: Leucaspis hydrangea Syn: Leucaspis japonica Japanese baton scale / pear white scale Prohibited – s12 (C1) Medium/Medium: Primary hosts Pear and citrus are grown in WA. Early 1900’s reports, no recent records. Low: Associated with damage to leaves and bark of host plants . Considered to have a low economic impact on apples and pears, so also likely to have only a low economic impact on grapevines. 3 Mandalotus sp. madalotus weevil Unlisted (s14) Low/Low: Suitable hosts (particularly canola) are grown in WA. Other Mandalotus spp. have been reported in WA . This is a flightless weevil so distant distribution is by movement of infested plant material or soil. Low: Adults feed on leaves and larvae feed on roots . More of an issue for canola crops. Limited reports associated with grapevines, suggest this to be a minor issue. 2 Melampsalta sp. black cicada Unlisted (s14) Unknown Low: Damage to woody parts by oviposition . Limited reports associated with grapevines, so unlikely to be an issue. 2 Metaphycus lounsburyi Howard, 1898 parasitic wasp Permitted – s11 Unknown Negligible: M.lounsburyi parasitise Grapevine scale (Parthenolecanium persicae persicae), therefore this is a biocontrol agent and not a pest. 1