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Feeding and related morphology of salivary glands of Bradysia odoriphaga (Diptera: Sciaridae)

文献类型： 外文期刊

作者： Gao, Huan-Huan 1 ; Zhai, Yi-Fan 1 ; Cao, Xue 1 ; Zhou, Xian-Hong 1 ; Wang, Zhong-Yan 2 ; Wang, Fang 3 ; Chen, Hao 1 ; Yu, 1 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Plant Protect, 202 North Ind Rd, Jinan, Shandong, Peoples R China

2.Agr Univ Hebei Prov, Coll Plant Protect, Baoding, Peoples R China

3.Hebei Normal Univ, Coll Life Sci, Shijiazhuang, Hebei, Peoples R China

关键词： B. odoriphaga;Larval feeding;Salivary glands;Morphology;Ultrastucture

期刊名称：JOURNAL OF ASIA-PACIFIC ENTOMOLOGY （ 影响因子：1.303； 五年影响因子：1.427 ）

ISSN： 1226-8615

年卷期： 2016 年 19 卷 2 期

页码：

收录情况： SCI

摘要： The amount of Bradysia odoriphaga larval feeding at each developmental stage and the related morphology of salivary glands were investigated in this study. The amount of daily feeding in the third instar was greatest among all the developmental stages while the amount of cumulative feeding in the fourth-instar accounted for 53.56% of the total amount of larval feeding. The daily amount of feeding by B. odoriphaga during the whole larval stage peaked in the 8th and 14th day after hatching. The paired and transparent salivary glands of B. odoriphaga were characterized by two distinct regions: an anterior region and a posterior region. At the fourth-instar and pupal stage, the length of salivary glands decreased significantly compared with that of the third-instar, and the integrity of epithelium cytoplasm in the salivary glands also decreased markedly because of the formation of cytoplasmic vacuoles and degradation of rough endoplasmic reticulum and mitochondria. We concluded that the decrease of daily feeding amount in the last instar was related to the structural change of salivary gland closely. The function of salivary glands in B. odoriphaga was mainly secretion of silk and cocooning-like materials during the last larval instar. (C) 2016 Korean Society of Applied Entomology, Taiwan Entomological Society and Malaysian Plant Protection Society. Published by Elsevier B.V. All rights reserved.

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