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What is it?
Plum pox virus, also known as sharka, is the most devastating viral disease of stone fruit in the world. This virus affects many wild and cultivated species of Prunus plants, including…
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Pine pitch canker has infected the middle tree in this image,causing oozing and saturation with resin.Miloň Dvořák, EPPO.
Pine pitch cankerExotic to AustraliaFeatures: Fungal disease of all pine species and Douglas fircausing ‘bleeding’…
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Leaf blight and shoot dieback on rhododendron caused by sudden oak death.Credit: Sabine Werres BBA, Braunschweig, Germany, PaDIL
Sudden oak death (airborne Phytophthora spp.)Exotic to AustraliaFeatures: A disease caused by airborne species of the fungus-like organism Phytophthora that…
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Grains of wheat infected with Karnal buntL.A. Castlebury USDA-ARS SBML, PaDIL.
Karnal buntExotic to AustraliaFeatures: A fungal disease that causes broken hollow (bunted) grain, powdery masses of dark spores, and a strong fishy odourWhere it's from: India originally, but now also…
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Huanglongbing causes uneven mottling across leaves leading to the eventual death of the citrus plant.M.E. Rogers, UFL, idtools.org.
Huanglongbing and vectorsExotic to AustraliaFeatures: A bacterial disease that causes yellowing, blotchy mottling, and unseasonal leaf flushing,…
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Myrtle rust symptoms on leaves.D.T. Junghans Embrapa, PaDIL.
Myrtle (eucalyptus) rust (exotic strains)Exotic to AustraliaFeatures: A fungal infection that causes brown to grey lesions often surrounded by yellow sporesWhere it's from: Central America and Caribbean, United States, South…
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The melon fruit fly is one of the exotic species that threaten Australia’s production of fruit and vegetables.Florida Division of Plant Industry, Florida Department of Agriculture and Consumer Services, Bugwood.org.
Fruit flies (exotic)Exotic to Australia. Mediterranean fruit fly is…
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Spongy moth infesting a tree trunk. Note the dark yellow egg masses.Karla Salp, Washington State Department of Agriculture, Bugwood.org.
Spongy mothExotic to AustraliaFeatures: Medium sized moths that infest and destroy many kinds of plants; large hairy caterpillars up to 7 cm…
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Exotic bee species look similar to everyday honey bees, but can carry pests and diseases, or take over our honey bee hives. Left is Asian honey bee; centre is everyday honey bee; right is the giant honey bee.Ken Walker, Museum Victoria, PaDIL.
Bees (Apis spp.) (exotic species)Exotic to…
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Brown marmorated stink bug. Ken Walker, PaDIL.
Yellow-spotted stink bug
Stink bugsExotic to AustraliaFeatures: These stink bugs hitchhike to new areas on or in imported goods or within packing spaces and if established would eat crops and ornamental plants; become a nuisance in…
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