Zygentoma

Habitus of Trinemura callawae, from Smith et al. (2012).


Belongs within: Insecta.
Contains: Lepismatidae.

The Zygentoma, silverfish, are primitively wingless insects with an elongate terminal filament between the cerci and usually a covering of scales (Grimaldi & Engel 2005). Certain members of the group are familiar as inhabitants of human houses.

Characters (from Grimaldi & Engel 2005): Compound eyes reduced or absent; ocelli usually absent. Distalmost palpal segment of labium enlarged and modified. Coxae dorsoventrally flattened, enlarged.

<==Zygentoma [Lepismatida, Lepismatoidea]
    |  i. s.: Onycholepisma arizonae R02
    |         Battigrassiella Paclt 1963 TW05, F90 [Noticoliidae]
    |           `--B. wheeleri TW05 [=Grassiella wheeleri F90]
    |         Onychomachilis fischeri GE05
    |         Carbotriplura kukalovae GE05
    |--Lepidothrix [Lepidotrichidae] GE05
    |    `--L. pilifera GE05
    `--Euzygentoma GE05
         |--+--Ateluridae GE05
         |  |    |--Atelura Heyden 1855 W39
         |  |    |    |--A. disjuncta Silvestri 1908 W39
         |  |    |    `--A. similata Silvestri 1908 W39
         |  |    `--Australiatelura SE12
         |  `--Nicoletiidae [Nicoletiinae] GE05
         |       |--Grassiella Silvestri 1898 F90
         |       |--Trinemophora W39
         |       |--Texoreddellia Wygodzinsky 1973 F90
         |       |    |--T. aquilonalis Espinasa & Giribet 2009 SE12
         |       |    `--T. texensis F90
         |       |--Nicoletia Gervais 1842 F90
         |       |    |--N. meinerti Silvestri 1905 F90
         |       |    |--N. phytophila Gervais 1844 SE12
         |       |    |--N. ruckeri Silvestri 1905 F90
         |       |    `--N. tergata Mills 1940 F90
         |       |--Atopatelura Silvestri 1908 W39
         |       |    |--A. hartmeyeri Silvestri 1908 W39
         |       |    |--A. kraepelini Silvestri 1908 W39
         |       |    `--A. michaelseni Silvestri 1908 W39
         |       |--Trinemura Silvestri 1908 W39
         |       |    |--*T. novaehollandiae Silvestri 1908 W39
         |       |    |--T. calcaripalpa Smith 1998 SE12
         |       |    |--T. callawae Smith, Eberhard et al. 2012 SE12
         |       |    |--T. cundalinae Smith, Eberhard et al. 2012 SE12
         |       |    |--T. excelsa Silvestri 1920 [incl. Nicoletia australis Wom. 1936] W39
         |       |    |--T. novaecaledoniae W39
         |       |    |--T. troglophila Smith 1998 SE12
         |       |    `--T. watsoni Smith 1998 SE12
         |       |--Metrinura Mendes 1994 SE12
         |       |    |--M. russendenensis (Smith & Shipp 1977) SE12
         |       |    `--M. subtropica Smith 2006 SE12
         |       |--Subtrinemura Smith 1998 SE12
         |       |    |--S. anemone (Smith 1988) SE12
         |       |    |--S. excelsa SE12
         |       |    `--S. spelaea Smith 1998 SE12
         |       |--Squamigera latebricola Espinasa 1999 SE12
         |       `--Squamatinia algharbica Mendes & Reboleira in Reboleira et al. 2012 SE12
         `--+--Maindronia Bouvier 1897 C92 [Maindroniidae GE05, Maindroniinae]
            `--Lepismatidae GE05

Acrotelsella splendens (Nicholls & Richardson 1925) [=Acrotelsa splendens; incl. Acrotelsella producta var. pacifica Silvestri 1934, Acrotelsella producta var. procedens Silvestri 1934] W39

Ctenolepisma lineata pilifera (Lucas 1840) [incl. Lepisma quadriseriata Packard 1873, L. reticulata Schött 1897, L. rubroviolacea Schött 1897] F90

*Type species of generic name indicated

REFERENCES

[C92] Crawford, R. L. 1992. Catalogue of the genera and type species of the harvestman superfamily Phalangioidea (Arachnida). Burke Museum Contributions in Anthropology and Natural History 8: 1-60.

[F90] Ferguson, L. M. 1990. Insecta: Microcoryphia and Thysanura. In: Dindal, D. L. (ed.) Soil Biology Guide pp. 935-949. John Wiley & Sones: New York.

[GE05] Grimaldi, D., & M. S. Engel. 2005. Evolution of the Insects. Cambridge University Press: New York.

[R02] Rasnitsyn, A. P. 2002. Subclass Lepismatona Latreille, 1804. The wingless insects (=Thysanura Latreille 1796, s. l.) In History of Insects (A. P. Rasnitsyn & D. L. J. Quicke, eds) pp. 69-74. Kluwer Academic Publishers: Dordrecht.

[SE12] Smith, G. B., S. M. Eberhard, G. Perina & T. Finston. 2012. New species of short range endemic troglobitic silverfish (Zygentoma: Nicoletiidae) from subterranean habitats in Western Australia's semi-arid Pilbara region. Records of the Western Australian Museum 27 (2): 101-116.

[TW05] Terry, M. D., & M. F. Whiting. 2005. Mantophasmatodea and phylogeny of the lower neopterous insects. Cladistics 21: 240-257.

[W39] Womersley, H. 1939. Primitive Insects of South Australia: Silverfish, springtails, and their allies. South Australian Branch of the British Science Guild: Adelaide.

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