Sperm ultrastructure of Mantophasma zephyra (Insecta, Mantophasmatodea)

Dallai, Romano; Frati, Francesco; Lupetti, Pietro; Adis, Joachim

doi:10.1007/s00435-002-0070-z

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Sperm ultrastructure of Mantophasma zephyra (Insecta, Mantophasmatodea)

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Adis, Joachim
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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引用

Dallai, R., Frati, F., Lupetti, P., & Adis, J. (2003). Sperm ultrastructure of Mantophasma zephyra (Insecta, Mantophasmatodea). Zoomorphology, 122(2), 67-76. doi:10.1007/s00435-002-0070-z.

引用: https://hdl.handle.net/11858/00-001M-0000-000F-DBE3-A

要旨

The ultrastructure of Mantophasma zephyra spermatozoa is described. Sperm cells have a trilayered acrosome with conspicuous extra-acrosomal material which expands along the nucleus. The nucleus is crossed anteriorly by a canal and its posterior end is embedded in the centriole adjunct material. A centriole with microtubular triplets is present. The flagellum has a 9+9+2 axonernal pattern, two partially crystallised mitochondrial derivatives, two membranous sacs and three connecting bands. The accessory microtubules are filled with dense material and have 16 protofilaments in their tubular wall. The intertubular material is not very expanded. In the seminal vesicles spermatozoa are stuck together to form spermatodesms, and their heads are also joined by adherens junctions. A cladistic analysis based on sperm features indicates a close relationship of Mantophasmatodea with Mantodea.