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Anatomy of the adult and the first-instar nymph of the book louse, Liposcelis bostrychophila (Psocoptera, Liposcelididae)

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Abstract

Anatomy of the adult and the first-instar nymph of Liposcelis bostrychophila (Psocoptera, Liposcelididae) is described in detail for the first time based on series of sections and 3D computer reconstruction. Despite its tiny size, no strong structural simplification is observed in Liposcelis. The main features of the anatomy of this species associated with miniaturization are the merging of individual skeletal elements and simplification of the endoskeleton in the nymph, lack of the midgut muscles, simplification of the tracheal and circulatory systems, oligomerization and concentration of ganglia, asymmetry of the central nervous system in the nymph, and the absence of several muscles. Changes in the relative volumes of organs during the postembryonic development of Liposcelis are analyzed and compared with other minute insects.

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Authors and Affiliations

  1. Faculty of Biology, Lomonosov Moscow State University, Moscow, 119991, Russia

    A. A. Polilov

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  1. A. A. Polilov
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Correspondence to A. A. Polilov.

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Original Russian Text © A.A. Polilov, 2016, published in Zoologicheskii Zhurnal, 2016, Vol. 95, No. 11, pp. 1305–1321.

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Polilov, A.A. Anatomy of the adult and the first-instar nymph of the book louse, Liposcelis bostrychophila (Psocoptera, Liposcelididae). Entmol. Rev. 96, 1165–1181 (2016). https://doi.org/10.1134/S0013873816090025

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  • DOI: https://doi.org/10.1134/S0013873816090025

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