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Topic: Thysanura


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In the News (Thu 16 Feb 12)

  
  Thysanura
Styli, slender appendages, each having two segments, occur on the underside of the abdomen and sometimes on some of the thoracic segments, the former attached to large plates believed to be the bases of former abdominal legs.
In some Thysanura the body is covered by scales suggesting those of butterflies.
Apterygota with styli on the underside of the abdomen; usually with slender, many-segmented cerci or forceps-like structures at the end of the body; abdomen of 11 segments.
www.insectidentification.net /thysanura.html   (131 words)

  
  Thysanura
Thysanura is an order of small active insects that includes the familiar silverfish Lepisma saccharina and the firebrat.
Silverfish are frequently found in bathtubs or sinks at night, as they have difficulty moving on smooth surfaces and are trapped.
The families Machilidae and Meinerellidae of the jumping bristletails have been included with Thysanura, but are more recently given their own order Microcoryphia.
www.xasa.com /wiki/en/wikipedia/t/th/thysanura.html   (181 words)

  
 Thysanura
The name Thysanura, derived from the Greek "thysano-" meaning fringed and "ura" meaning tail, refers to the long, fringed filaments on the abdomen of silverfish.
Silverfish are fast-running insects that hide under stones or leaves during the day and emerge after dark to search for food.
One family of Thysanura (Nicoletiidae) is adapted to live underground in caves, mammal burrows, or in the nests of ants or termites.
www.cals.ncsu.edu /course/ent425/compendium/silver.html   (401 words)

  
 Thysanura, Thysanuran, Thysanurous, Thysbe, Thyself, Tiar, Tiara, Tiaraed, Tib-cat, Tibia : Vocabulary : Sanjeev.NET
Thysanura, Thysanuran, Thysanurous, Thysbe, Thyself, Tiar, Tiara, Tiaraed, Tib-cat, Tibia : Vocabulary : Sanjeev.NET
Thysanura : An order of wingless hexapod insects which have setiform caudal appendages, either bent beneath the body to form a spring, or projecting as bristles.
Thysanurous : Of or pertaining to the Thysanura.
www.sanjeev.net /vocabulary/t/t-0262.html   (267 words)

  
 Thysanura
Irish, J. A new genus of Lepismatidae (Thysanura) inhabiting shrub coppice dunes in the Namib Desert (Namibia).
Wygodzinsky, P. On the surviving representative of the Lepidothrichidae (Thysanura).
Wygodzinsky, P. Description of a new genus of cave thysanuran from Texas (Nicoletiidae, Thysanura, Insecta).
www.tolweb.org /tree?group=Thysanura&contgroup=Insecta   (571 words)

  
 Thysanura
Irish, J. A new genus of Lepismatidae (Thysanura) inhabiting shrub coppice dunes in the Namib Desert (Namibia).
Wygodzinsky, P. On the surviving representative of the Lepidothrichidae (Thysanura).
Wygodzinsky, P. On Paclt's Nicoletiidae (Thysanura) in Genera Insectorum.
tolweb.org /tree?group=Thysanura&contgroup=Insecta   (571 words)

  
 Thysanura (Bristletail) in Amber
The trophy insect inclusion here is a gem of a Thysanura (or silverfish or brttletail) that is 15 mm long Thysanuran.
Thysanura is thought by some to be the linking order between wingless and winged insects.
The compound eyes are small; have three tail bristles on the end of their abdomen;the mouthparts are external; some species have scales covering the body.
www.fossilmall.com /Surreal_Amber/Colombian/a227/a227.htm   (194 words)

  
 Thysanura - Definition, explanation
the biology, classification, and ecology of silverfish, the Thysanura.
Introduction to the biology, classification, and ecology of silverfish, the Thysanura.
Introduction to silverfish and firebrats from John R. Meyer's Entomology class.
www.calsky.com /lexikon/en/txt/t/th/thysanura.php   (288 words)

  
 Thysanura of BC
From the Greek thysanos = tassel, fringe + oura = tail; a reference to the long, seta-fringed cerci and central filament at the end of the abdomen.
The body is elongate, up to about 13 mm long, wingless, frequently scaled, and similar in general to that of the jumping bristletails.
The body is broader and flattened; the eyes are small and separated, or lacking, and there are no ocelli.
www.geog.ubc.ca /biodiversity/efauna/ThysanuraofBC.html   (342 words)

  
 News | Gainesville.com | The Gainesville Sun | Gainesville, Fla.   (Site not responding. Last check: )
While the first three groups formed a monophyletic group Entognatha (with mouthparts, submerged in a pocket formed by the lateral and ventral parts of the head capsule), Thysanura appeared to be more closely related to winged insects (Pterygota).
The most notable synapomorphy proving the monophyly of Thysanura+Pterygota is the absence of intrinsic antennal muscles, connecting the antennomeres in Entognatha, Myriapoda, and Crustacea, for which the whole group is often termed Amyocerata (lacking antennal muscles).
Moreover, some entomologists claimed that one of the subgroups within Thysanura (Zygaentoma, or Thysanura in a strict sense) was more closely related to Pterygota than the other (Microcoryphia, or Archaeognatha), thus rendering even the amyocerate apterygotes paraphyletic.
www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Apterygota   (263 words)

  
 Thysanura - Facts, Information, and Encyclopedia Reference article
Thysanura - Facts, Information, and Encyclopedia Reference article
Silverfish can sometimes be found in bathtubs or sinks at night, as they have difficulty moving on smooth surfaces and so become trapped.
The families Machilidae and Meinerellidae of the jumping bristletails were once included with Thysanura, but now have their own order, Microcoryphia.
www.startsurfing.com /encyclopedia/t/h/y/Thysanura.html   (217 words)

  
 Science Biology Flora Fauna Animalia Arthropoda Insecta Thysanura Directory IndiaPress
Thysanura - Introduction to silverfish and firebrats from John R. Meyer's Entomology class.
Thysanura (Silverfish and Firebrats) - Image, very brief introduction, and references.
Thysanura (Silverfish, Fishmoths) - Introduction from the South African Museum.
www.indiapress.org /directory/Science-Biology-Flora_and_Fauna-Animalia-Arthropoda-Insecta-Thysanura.html   (170 words)

  
 Gordon's Thysanura Page
The Thysanura or three pronged bristle-tails, are the linking order between the Apterygota (primarily wingless insects) and the Pterygota (primarily winged insects), and contain some of the most primitve of insects known to man i.e., the Thysanura are most like what we think the first insects looked like.
There are a three lovelly paintings of some thysanura done by A.T.Hollick in the 1860's in John Lubbock's 1871 monograph on the Collembola and Thysanura,
The Thysanura are divided into two Superfamilies, the Machiloidea with only one mandibular articulation (sometimes known as the Archeognatha) which contains two families, and the Lepismatoidea with two mandibular articulations (the Pterypgote insects all possess two mandibular articulations) which contains three families.
www.earthlife.net /insects/thysan.html   (419 words)

  
 Insect Orders
Thysanura are usually found in moist locations around houses or out-of-doors under stones, bark and boards.
Thysanura are wingless insects with flattened elongate bodies, long antennae and usually with three, long, tail like appendages.
Metamorphosis is minimal (young resemble adults except for size).
insects.tamu.edu /fieldguide/orders/thysanura.html   (92 words)

  
 Introduction to the Thysanura
The Thysanura are a group of small wingless insects.
For more information on the phylogeny and diversity of the Thysanura, try the Thysanura page at the Tree of Life.
Or learn interesting facts about Thysanura at the UD College of Agricultural Sciences Insect Database and at the Wonderful World of Insects.
www.ucmp.berkeley.edu /arthropoda/uniramia/thysanura.html   (110 words)

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