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Persistence of scales of Unaspis yanonensis Kuwana on citrus leaves after emergence of the parasitoid, Aphytis yanonensis DeBach et Rosen



Persistence of scales of Unaspis yanonensis Kuwana on citrus leaves after emergence of the parasitoid, Aphytis yanonensis DeBach et Rosen



Proceedings of the Association for Plant Protection of Kyushu 32: 192-193



In studies in Japan in 1983-84, scales of the diaspidid Unaspis yanonensis remained on citrus leaves for an average of 2 weeks and a maximum of 58 weeks after the emergence of the aphelinid parasite Aphytis yanonensis. Analysis of the persistence curve of the scales revealed that 12% of them disappeared each month and that it took 21 weeks for 50% to disappear.

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Accession: 001653081

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Related references

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