Dipluran: Difference between revisions

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'''Diplurans''' (Order ''Diplura'') are a small, primitive type of hexapod, which were until recently thought to be insects. The were also formerly in the order [[Thysanura]], or bristletails.  They differ from true bristletails in the number of appendages at the tip of their abdomen, and their morphological origin.  Diplurans have two such long appendages in the form of modified [[cerci]].  As such, diplurans are sometimes called two-pronged bristletails.  True bristletails have three appendages.
'''Diplurans''' (Order ''Diplura'') are a small, primitive type of hexapod. Diplurans have two long appendages at the tip of their abdomens, and are sometimes called two-pronged bristletails.  True bristletails have three appendages.


==Identification==
==Identification==
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==Taxonomy==
==Taxonomy==
Diplurans were also formerly in the order [[Thysanura]], or bristletails.  They differ from true bristletails in the number of appendages at the tip of their abdomen, and their morphological origin.  Diplurans have two such long appendages in the form of modified [[cerci]].  Even more recently, diplurans were thought to be insects, along with [[Bristletail|bristletails]] and [[Protura|proturans]].


===Number of species===
===Number of species===

Revision as of 18:15, 4 June 2008

Diplurans
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Entognatha
Order: Diplura
Börner, 1904
Suborders

Diplurans (Order Diplura) are a small, primitive type of hexapod. Diplurans have two long appendages at the tip of their abdomens, and are sometimes called two-pronged bristletails. True bristletails have three appendages.

Identification

Diplurans are nocturnal. Most are smaller than 7mm in length, although some are 10mm long. They have 1 segment long tarsi and chewing mouthparts that are concealed in a pouch. Besides differing from bristletails in the number of tails and the concealment of the mouthparts, they have shallower bodies and lack compound eyes and scales.

Life Cycle

Diplurans undergo simple metamorphosis. Nymphs of this order are smaller versions of the adult.

Habitat

Diplurans live under leaves, stones, logs, or under bark.

Taxonomy

Diplurans were also formerly in the order Thysanura, or bristletails. They differ from true bristletails in the number of appendages at the tip of their abdomen, and their morphological origin. Diplurans have two such long appendages in the form of modified cerci. Even more recently, diplurans were thought to be insects, along with bristletails and proturans.

Number of species

There are 25 species found in North America, and 400 worldwide.

Suborders

There are two suborders in this order.

Bibliography

Borrer, DJ and RE White. A Field Guide to Insects: America north of Mexico. Houghton Mifflin Company: Boston, 1970. ISBN 0-395-91170-2

Milne, L and M Milne. National Audubon Society Field Guide to North American Insects & Spiders. Alfred A. Knopf, Inc.: 1995. ISBN 0-394-50763-0

Integrated Taxonomic Information System. Accessed June 4 2008.