Comparison of morphological plasticity of Bemisia tabaci biotype B pseudopupae on different hosts
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Key Words：Bemisia tabaci biotype B， psuedopupa， morphological plasticity， invasive mechanism
Abstract：Bemisia tabaci（Gennadius）is a complex species with several biotypes, in which biotype B is strongly invasive one. The systematic morphological quantification of the pseudopupa of B. tabaci biotype B on different host plants revealed that many characteristics which included the ratio of regularity, the number of dorsal setae, body length and body width, the width of anterior wax margin and posterior wax margin, the length and width of operculum, and the length of lingual of pseudopupa had morphological plasticity on different hosts, and the plasticity was closely linked with the characteristics of leaf back of host. Finally, the role and the research importance of the morphological plasticity of thepsuedopupa of B. tabaci biotype B during the invasion were discussed.