Comparison of the Antennal Sensilla Ultrastructure of Two Cryptic Species in Bemisia tabaci

文献类型： 外文期刊

第一作者： Zhang, Xiao-Man

作者： Zhang, Xiao-Man;Wang, Su;Li, Shu;Luo, Chen;Zhang, Fan;Zhang, Xiao-Man;Li, Yuan-Xi

作者机构：

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2015 年 10 卷 3 期

页码：

收录情况： SCI

摘要： Bemisia tabaci is an important agricultural pest with worldwide distribution and host preference. Therefore, understanding the biology of this pest is important to devise specific pest control strategies. The antennae of herbivorous insects play an important role in the identification of hosts using plant volatiles. To understand the features of antennae in B. tabaci MEAM 1(formerly known as biotype 'B') and MED (formerly known as biotype 'Q'), the morphology and distribution of the antennal sensilla were examined using scanning electron micrographs. The results showed that the average antennae length in MEAM 1 was longer than MED. No differences were observed in the number and distribution of antennal sensilla in MEAM 1 and MED antennae; each antenna had nine different types of sensilla. Both cryptic species possessed Microtrichia, Grooved surface trichodea sensilla, Chaetae sensilla, Coeloconic sensillaIandII, Basiconic sensilla I, II and III and Finger-like sensilla. This is the first report of Grooved surface trichodea sensilla and Basiconic sensilla II on B. tabaci flies. The numbers of Chaetae sensilla were different in the females and males of MEAM 1 and MED, which females having 5 and males containing 7. The surface structure of Basiconic sensilla I was different with MEAM 1 showing a multiple-pitted linen surface and MED showing a multiple-pitted pocking surface. Basiconic sensillaII were double in one socket with the longer one having a multiple-pitted surface and the shorter one with a smooth surface. Basiconic III and Finger-like sensillae were longer in MEAM 1 antennae than in MED antennae. Our results are expected to further the studies that link morphological characteristics to insect behavior and help devise strategies to control insect pests.

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