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Weekly Australian Climate,Water and Agricultural UpdateKey issuesIn the week ending 18 December 2024, low-pressure systems brought rainfall to the north and west of Australia.Many northern cropping regions recorded significant rainfall totals this week. Totals of between 5 to 100 millimetres were…
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Longhorn beetles are identifiable by their extra-long antennae.Asian longhorn beetle is up to 3.5 cm long, black with whitespots, and attacks hardwood trees.Kenneth R. Law, USDA APHIS PPQ, Bugwood.org
Longhorn beetles (exotic species)Exotic to AustraliaFeatures: Three species of wood-…
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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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Key points
The Asian longhorn beetle is a wood-boring insect that usually targets hardwood trees, especially poplar.
The beetle attacks both healthy trees and stressed or diseased…
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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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