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Order Zygentoma - Silverfish

beige fuzzy insect with six legs, long antenna and 3 tails silverfish Ctenolepisma lineata - Ctenolepisma lineatum Nicoletia wheeleri? lepismatid Lepismatidae sp. Lepismatidae? Common Silverfish - Lepisma saccharinum
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Zygentoma (Silverfish)
Synonyms and other taxonomic changes
Thysanura, in whole or in part [see Remarks]
The extant genus Tricholepidion was transferred from Lepidotrichidae to the newly created family Tricholepidiidae; Lepidotrichidae now contains only one extinct genus (Engel 2006)
18 spp. in 14 genera of 3 families in NA(1), ~500 spp. in 5 families total
up to 15 mm, usually 8-10 mm
adapted from (2):
Lepismatidae: compound eyes only; body covered with scales
Tricholepiidae: ocelli only; body not covered with scales
Nicoletiidae: no eyes; body covered with scales or not
in our area: Lepismatidae widespread • Nicoletiidae so.US • Tricholepidiidae n.CA‒?OR
damp places indoors; under bark, in leaf litter, caves, ant/termite nests, etc.
Life Cycle
young look like adults, develop slowly, live several years
The name Thysanura has been variously applied and originally included springtails, diplurans, bristletails, and silverfish, then used to refer to various combinations thereof. To avoid confusion, that name is no longer used. (See Thysanura & Thysanoura, Kluge 2000)
See Also
Bristletails (Microcoryphia) can jump, are not normally found indoors, have a cylindrical body, an arched thorax, and large eyes that meet in the middle
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.