Molluscs Cornu apertus Born, 1778 High/Medium: C. apertus has an Low: Will feed on leaves, buds and 3 extensive host range, but is young shoots. But not likely to be Syn: Helix aperta unlikely to spread far fast without any worse than other present snails. green snail assistance. Distant movement will They can pose an export issue, but be via infested plant material. management procedures should be Declared pest s22(2) (C3) – Currently in limited areas of WA. possible. Vertebrates are strong will feed on grape Sturnus vulgaris Born, 1778 High/High: S. vulgaris High: S. vulgaris 4 fliers and can cover reasonable berries causing significant damage common starling / European starling distances and will survive our if not protected, netting as used for Declared pest - s22(2) (C1/C2) climatic conditions. silvereyes will assist in control, but starlings are likely to be more aggressive and less distracted by flowering native plants, thus requiring increased or modified management practices.
Molluscs Cornu apertus Born, 1778 Syn: Helix aperta green snail Declared pest – s22(2) (C3) High/Medium: C. apertus has an extensive host range, but is unlikely to spread far fast without assistance. Distant movement will be via infested plant material. Currently in limited areas of WA. Low: Will feed on leaves, buds and young shoots. But not likely to be any worse than other present snails. They can pose an export issue, but management procedures should be possible. 3 Vertebrates Sturnus vulgaris Born, 1778 common starling / European starling Declared pest - s22(2) (C1/C2) High/High: S. vulgaris are strong fliers and can cover reasonable distances and will survive our climatic conditions. High: S. vulgaris will feed on grape berries causing significant damage if not protected, netting as used for silvereyes will assist in control, but starlings are likely to be more aggressive and less distracted by flowering native plants, thus requiring increased or modified management practices. 4
WA%20Viticulture%20Industry%20Biosecurity%20Plan%20V1.docx