Study on the Ratio of Hosts and Wasps When Mass Rearing of Chouioia cunea Yang
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1.
Research Institute of Forest Ecology, Environment and Protection, CAF, Beijing 100091, China
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2.
Experimental Centre of Desert Forestry, CAF, Dengkou 015200, Inner Mongolia, China
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3.
The Forest Protection Station of Yantai City, Shandong Province, Yantai 264000, Shandong, China
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4.
Forest Bureau of Longkou City, Shandong Province, Longkou 265700, Shandong, China
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Received Date:
2004-03-29
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Abstract
The choice of best ratio of host and wasps when mass rearing of Chouioia cunea was studied. The result showed that 1: 1 or 1: 2 were the choice of the ratio of hosts and wasps when choosing fall webworm as a host and 1: 50 when choosing Antheraea pernyi as a host to mass rearing C. cunea. The longevity of C. cunea reared according to this ratio was about 6 days on average in field, which could guarantee them to find suitable hosts. To improperly increase the percent of wasp would have a bad influence on the quantity or ratio of female and male of next generation.
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