菊小长管蚜虫龄鉴别特征及其触角感器超微结构观察(英文)

doi:10.16380/j.kcxb.2019.11.009

昆虫学报 ›› 2019, Vol. 62 ›› Issue (11): 1315-1324.doi: 10.16380/j.kcxb.2019.11.009

菊小长管蚜虫龄鉴别特征及其触角感器超微结构观察(英文)

钟剑, 郭彦宏, 许婷, 李大伟, 张启翔, 孙明^*

(北京林业大学园林学院, 花卉种质创新与分子育种北京市重点实验室, 国家花卉工程技术研究中心,城乡生态环境北京实验室, 林木花卉遗传育种教育部重点实验室, 北京 100083)

出版日期:2019-11-20 发布日期:2019-11-05

Observation on the morphological characteristics forage identification of Macrosiphoniella sanborni (Hemiptera: Aphididae) and the ultrastructure of its antennal sensilla(In English)

ZHONG Jian, GUO Yan-Hong, XU Ting, LI Da-Wei, ZHANG Qi-Xiang, SUN Ming^*

(Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, National Engineering Research Center
for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in
Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture,
Beijing Forestry University, Beijing 100083, China)

Online:2019-11-20 Published:2019-11-05

摘要/Abstract

摘要： 【目的】本研究旨在观察菊小长管蚜Macrosiphoniella sanborni各虫龄和翅型的鉴别特征，以及其触角感器的超微结构，从而为鉴别菊小长管蚜虫龄和研究菊小长管蚜感器功能以及气味识别机制提供参考。【方法】借助超景深显微镜以及扫描电子显微镜分别对各型菊小长管蚜整体形态和触角感器超微结构进行观察，并对触角感受器的数量、分布和大小进行统计和比较分析。【结果】结果表明，翅芽、腹末投影角、以及尾片等定性指标可被用于菊小长管蚜虫龄高效鉴别。尾片形状可用于区分成蚜和若蚜；翅芽有无可用于区分3和4龄若蚜的有翅蚜与无翅蚜；翅芽形状可用于区分3龄与4龄的有翅若蚜；腹末投影角可用于区分3龄和4龄的无翅若蚜；2龄若蚜与3龄若蚜可通过触角节数进行区分。菊小长管蚜触角为丝状，1和2龄若蚜触角分5节，其余龄期为6节。其触角上共有5种形态特异的感器：板形感器、腔锥形感器、毛形感器Ⅰ、毛形感器Ⅱ、钟形感器。成蚜与若蚜在触角节数、感器类型和感器数量上存在差异；有翅蚜与无翅蚜在感器类型、数量以及分布位置上也存在差异。【结论】通过翅芽、腹末投影角以及尾片发达程度等形态指标可以准确地鉴别各型菊小长管蚜；不同翅型不同虫龄的菊小长管蚜触角感器的类型、数量以及分布位置存在差异，这些差异可能直接影响着其在定位寄主植株时的行为表现。

关键词: 菊小长管蚜, 形态, 触角, 感器, 超微结构, 扫描电子显微镜

Abstract: 【Aim】 This study aims to observe the morphological characteristics of different ages and wing types of Macrosiphoniella sanborni and the ultrastructure of its antennal sensilla, so as to provide a reference for identification of different ages and a basis for study on the sensillal function and odour recognition mechanism of M. sanborni. 【Methods】 The whole-body morphology and ultrastructure of antennal sensilla of M. sanborni were observed under super-depth microscope and scanning electron microscopy (SEM), and the amount, distribution and size of antennal sensilla were statistically and comparatively analyzed. 【Results】 The results revealed that the qualitative indexes such as the wing bud, the projection angle of the end of abdomen and cauda can be utilized for accurate age identification of M. sanborni. Cauda shape can be used to distinguish adults from nymphs. The 3rd and 4th instar apterous nymph don’t have wing bud, while the alatae have. Wing bud shape can be used to distinguish alatae at the 3rd and 4th instars. Projection angle of the end of abdomen can be used to distinguish apterate at the 3rd and 4th instars. The antenna of M. sanborni is of the filiform type, contains five segments in the 1st and 2nd instars, and six segments in the rest. Five morphologically unique sensilla types were found and described: placoid sensillum, coeloconic peg, trichoid sensillum type I, trichoid sensillum type II and campaniform sensillum. Nymphs are different from adults in antennal segments, sensilla types and sensilla amounts. Differences also exist in the type, amount and array
of sensilla on the antennae between alatae and apterae. 【Conclusion】 Different types of M. sanborni can be identified accurately by morphological indexes such as wing bud, projection angle of the end of abdomen and cauda. The antennal sensilla of different ages and wing types of M. sanborni differ in types, numbers and distribution positions, which may directly affect their behavioral performance on locating host plants.

Key words: Macrosiphoniella sanborni, morphology, antenna, sensilla, ultrastructure; scanning electron microscopy

钟剑, 郭彦宏, 许婷, 李大伟, 张启翔, 孙明. 菊小长管蚜虫龄鉴别特征及其触角感器超微结构观察(英文)[J]. 昆虫学报, 2019, 62(11): 1315-1324.

ZHONG Jian, GUO Yan-Hong, XU Ting, LI Da-Wei, ZHANG Qi-Xiang, SUN Ming. Observation on the morphological characteristics forage identification of Macrosiphoniella sanborni (Hemiptera: Aphididae) and the ultrastructure of its antennal sensilla(In English)[J]. Acta Entomologica Sinica, 2019, 62(11): 1315-1324.

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菊小长管蚜虫龄鉴别特征及其触角感器超微结构观察(英文)

Observation on the morphological characteristics forage identification of Macrosiphoniella sanborni (Hemiptera: Aphididae) and the ultrastructure of its antennal sensilla(In English)

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