Aphids are major pests of a wide variety of commercially important plants in agriculture,horticulture and forestry.In the present study,we surveyed the population dynamics of aphid species and the dominant natural enemy species in citrus orchards in Hubei Province.The two-year successive survey under field conditions indicated that five species of aphid damaging citrus,including Aphis gossypii,Aphis spiraecola,Toxoptera citricidus,Toxoptera aurantii and Aphis craccivora were found,and among which T.citricid...
【基金】
基金项目:APHIWEB-Internationl Research Staff Exchange Scheme(611810)