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The order Diptera includes all true flies. These insects are distinctive because their hind wings are reduced to small, club-shaped structures called halteres -- only the membranous front wings serve as aerodynamic surfaces.
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www.cals.ncsu.edu/course/ent425/compendium/diptera.html
www.cals.ncsu.edu/course/ent425/compendium/diptera.html
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Explore large closeup photos and detailed information on dozens of species of two-winged insects in the insect order Diptera. ... Order Diptera - Flies of North America; Insect order Diptera (true flies, two-winged flies) Live adult flies, photographed in the wild.
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www.cirrusimage.com/flies.htm
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Fly - Wikipedia, the free encyclopedia
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True flies are insects of the order Diptera (Greek: = two, and pteron = wing), possessing a single pair of wings on the mesothorax and a pair of halteres, derived from the hind wings, on the metat...
en.wikipedia.org/wiki/Fly
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This page displays the seven Diptera records currently available within the Entophiles database. Select one of the thumbnail photographs of flies below to access the descriptive record for this insect. Members of the Order Diptera are characterized by a single pair of fore wings.
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www.insects.org/entophiles/diptera/index.html
www.insects.org/entophiles/diptera/index.html
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The Diptera, or true flies, are a large order of endopterygote Neoptera. It is estimated that the order contains about 200,000 species, worldwide, although only just over half of these have been described. ... Chapter XII: Order Diptera (two-winged or true flies) in Word 6.0...
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www.chebucto.ns.ca/ccn/info/Science/SWCS/ZOOBENTH/BENTH...
www.chebucto.ns.ca/ccn/info/Science/SWCS/ZOOBENTH/BENTHOS/xii.html
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In the Early Jurassic Diptera had become one of the most abundant and diverse insect order, and retained the position of dominant or subdominant group later. There are a lot of the Jurassic dipteran assemblages in Western Europe, Central Asia and Siberia (e.
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palaeoentomolog.ru/New/diptera.html
palaeoentomolog.ru/New/diptera.html
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DIPTERA - Description of Order and Families in British Columbia ... Order Diptera (Flies) ... The Order Diptera is usually divided into two suborders, the Nematocera and the Brachycera. Among the main differences are the structure of the antennae, maxillary palps and larval mandibles. The basic number of segments in the...
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www.zoology.ubc.ca/bcdiptera/Order%20Diptera%20Text%20F...
www.zoology.ubc.ca/bcdiptera/Order%20Diptera%20Text%20Files/family_descriptions.htm
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True flies or Diptera occur in many shapes and sizes and are a very important group. The order includes forms that are parasitic, predaceous and others that live on either living or dead plant or animal material.
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insects.tamu.edu/fieldguide/orders/diptera.html
insects.tamu.edu/fieldguide/orders/diptera.html
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Insects of the order Diptera, the true flies, are a large and diverse group that includes midges, no-see-ums, gnats, mosquitoes, and all manner of flies. Diptera literally means "two wings," the unifying characteristic of this group. ... Most insect taxonomists divide the order Diptera into two suborders: Nematocera,
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insects.about.com/od/flies/p/char_diptera.htm
insects.about.com/od/flies/p/char_diptera.htm
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