Lucerne, Therioaphis trifolii, Western Australia
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The spotted alfalfa aphid which is devastating lucerne crops in the Eastern States, could be introduced to Western Australia on lucerne hay which is fed en route to imported livestock. The Department of Agriculture has therefore alerted all inspection points about the possible danger.
The Department of Agricultureis maintaining traps specifically for the aphid, and has found no evidence of it yet.
Department of Agriculture, Western Australia
"W.A. alert for aphid on lucerne,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 18
, Article 3.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol18/iss2/3