Bristletail: Difference between revisions
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{{Taxobox | {{Taxobox | ||
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| subphylum = [[Hexapoda]] | | subphylum = [[Hexapoda]] | ||
| classis = [[Insecta]] | | classis = [[Insecta]] | ||
| ordo = ''' | | subclassis = [[Dicondylia]] | ||
| ordo = '''Zygentoma''' | |||
| ordo_authority = [[Börner]], 1904 | |||
| subdivision_ranks = Families | |||
| subdivision = | |||
*[[Lepidotrichidae]] | |||
*[[Lepismatidae ]] | |||
*[[Nicoletiidae]] | |||
}} | }} | ||
'''Bristletails''' (Order ''Zygentoma'') are a small, primitive type of insect, the order of which includes the household pest, [[silverfish]]. Their mouth parts are used for chewing, and they do not sting. True bristletails should not be confused with [[jumping bristletail]]s, which are in a different order. | |||
A species of bristletail found in California is an example of a [[living fossil]]. It is scaleless and nearly identical to fossil specimens. | |||
==Identification== | ==Identification== | ||
Bristletails are elongate wingless insects, named for the | Bristletails are elongate wingless insects, named for the 3 tail-like appendages at the end of their abdomens. Their bodies are flat and spindle-shaped with overlapping scales. They have long, multi-segmented [[antennae]], and some abdominal segments have ''styli'' (finger-like protrusions.) [[Tarsus|Tarsi]] have 3-4 segments. | ||
==Life Cycle== | ==Life Cycle== | ||
Bristletails undergo | Bristletails undergo [[simple metamorphosis]]. [[Nymphs]] of this order are generally very similar to the adult. | ||
==Habitat== | ==Habitat== | ||
Bristletails have either small compound eyes and live under rocks, or have larger eyes and are found in leaf litter, debris, or under bark, where there is more light. Bristletails found in houses eat flour, paste, cloth, and paper. | |||
==Taxonomy== | ==Taxonomy== | ||
This order was formerly called ''Thysanura,'' which comes from Latin, meaning "tassle tail." Formerly, ''Thysanura'' included individuals of the order [[Diplura]]. [[Diplura|Diplurans]] are now no longer considered insects. | |||
===Number of species=== | ===Number of species=== | ||
There are | There are 40 species found in North America, and 250 worldwide. | ||
== | ===Subdivisions=== | ||
There are three families in this order. | |||
Latest revision as of 21:36, 14 September 2013
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Bristletails (Order Zygentoma) are a small, primitive type of insect, the order of which includes the household pest, silverfish. Their mouth parts are used for chewing, and they do not sting. True bristletails should not be confused with jumping bristletails, which are in a different order.
A species of bristletail found in California is an example of a living fossil. It is scaleless and nearly identical to fossil specimens.
Identification
Bristletails are elongate wingless insects, named for the 3 tail-like appendages at the end of their abdomens. Their bodies are flat and spindle-shaped with overlapping scales. They have long, multi-segmented antennae, and some abdominal segments have styli (finger-like protrusions.) Tarsi have 3-4 segments.
Life Cycle
Bristletails undergo simple metamorphosis. Nymphs of this order are generally very similar to the adult.
Habitat
Bristletails have either small compound eyes and live under rocks, or have larger eyes and are found in leaf litter, debris, or under bark, where there is more light. Bristletails found in houses eat flour, paste, cloth, and paper.
Taxonomy
This order was formerly called Thysanura, which comes from Latin, meaning "tassle tail." Formerly, Thysanura included individuals of the order Diplura. Diplurans are now no longer considered insects.
Number of species
There are 40 species found in North America, and 250 worldwide.
Subdivisions
There are three families in this order.