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Structure and functions of the ventral tube of the clover springtail Sminthurus viridis (Collembola Sminthuridae)
Chen, C-G. Chen, T. Hua, B-Z. Wan, Tao Ruan
Chen, C-G.
Chen, T.
Hua, B-Z.
Wan, Tao Ruan
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2019-01-29
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© 2019 The Author(s). This article is licensed under a Creative Commons CC-BY license (https://creativecommons.org/licenses/by/4.0)
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2018-12-06
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Abstract
Springtails (Collembola) are unique in Hexapoda for bearing a ventral tube (collophore) on the first abdominal segment. Although numerous studies have been conducted on the functions of the ventral tube, its fine structure has not been thoroughly elucidated to date. In this paper, we observed the jumping behavior of the clover springtail Sminthurus viridis (Linnaeus, 1758) and dissected the ventral tube using light microscopy to elucidate the fine structure and the possible function of the ventral tube. The results show that a pair of eversible vesicles can be extended from the apical opening of the ventral tube. The eversible vesicles are furnished with numerous small papillae, and can be divided into a basal part and a distal part. The eversible vesicles have a central lumen connected to the tiny papillae and leading to the body cavity. The eversible vesicles can reach any part of the body, and may serve as following functions: (a) absorbing moisture; (b) uptaking water; (c) cleaning the body surface; and (d) fastening the body on a smooth surface.
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Chen C-G, Chen T, Hua B-Z et al (2019) Structure and functions of the ventral tube of the clover springtail Sminthurus viridis (Collembola: Sminthuridae). 9: 897.
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