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- W2376719069 abstract "The Chinese ash woolly aphid Prociphilus fraxini is a serious insect pest of the Chinese ash Fraxinus chinensis. The infested tree has its leaves curled in and buds injured. At times population of this pest became so large that it might cause tremendous damage to the host plant, which has occurred during 1976 and 1979-1981 in Emei County, Sichuan Province.This woolly aphid has very complex life cycle involving alatae and apterae, alternation of host plants and heterogamy. The winter is passed over on the Chinese ash as eggs which hatch at the end of February or early March into female nymphs. After about 25 days female adults appear and soon begin to reproduce parthenogenetically. During her 11 to 34 reproductive days, one female can give birth to from 79 to 533 nymphs. The nymphs live in the curled leaves for about 20 days and then change to alate adults and migrate to a second (or summer) host, which is still unknown in Emei. By the end of October this aphid usually migrates back to the original host plant, the Chinese ash, and reproduces both male and female aphids that are apterous and mouth-part free. After mating the fertile female deposits only one winter egg into the crevice of host plant bark.This aphid secretes quite a lot of white wax fibers over its body by its dermal wax glands and also a large amount of honeydew.There are a number of natural enemies attacking this aphid. Among them the most important one is the ladybird beetle Calliaria superba joponica Sicard. Both its adult and larva prey on this aphid in large quantities." @default.
- W2376719069 created "2016-06-24" @default.
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- W2376719069 date "1983-01-01" @default.
- W2376719069 modified "2023-09-25" @default.
- W2376719069 title "BIOLOGICAL NOTES ON THE CHINESE ASH WOOLLY APHID PROCIPHILUS FRAXINI FABRICIUS" @default.
- W2376719069 hasPublicationYear "1983" @default.
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