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


Accession: 001653081



Related references

A preliminary release test of Aphytis yanonensis DeBach & Rosen (Hymenoptera: Aphelinidae), a parasitoid of Unaspis yanonensis (Kuwana). Proceedings of the Association for Plant Protection of Kyushu 29: 153-154, 1983

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