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Control Of The Red-Legged Earth Mite And Lucerne Flea : Treatment Of Seed With Systemic Insecticides, M M H Wallace
Control Of The Red-Legged Earth Mite And Lucerne Flea : Treatment Of Seed With Systemic Insecticides, M M H Wallace
Journal of the Department of Agriculture, Western Australia, Series 4
THE red-legged earth mite, Halotydeus destructor (Tuck.), and the lucerne flea, Sminthurus viridis (L.), are at present controlled effectively, cheaply and safely by a combined DDT/malathion spray (Jenkins, 1956, 1957) and this continues to be the general recommendation for farmers.
However, this combination has some disadvantages. The DDT in the spray ensures some residual control of the earth mite but has the unfortunate property of toxicity to the bdellid mites which are useful predators of the lucerne flea.
The malathion in the spray assists the DDT to control the earth mite and provides a good, quick kill of the lucerne …