Phylum Arthropoda Subphylum Uniramia

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Phylum ArthropodaSubphylum Uniramia
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Taxonomy

• Myriapods- Class Chilopoda (centipedes) and Class
  Diplopoda (millipedes).
• Two body regions- head and trunk.
• Pair of legs on every segment.
• Class Insecta (Insects)
• Three body regions- head, thorax, and abdomen.
• Three pair of walking legs.

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General Characteristics

• One pair of antennae.
• Respiration is through tubes called tracheae.
• All appendages are uniramous.
• Mostly terrestrial or aerial- some aquatic forms.
• Chitinous exoskeleton with waxy cuticle.

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Class Chilopoda

• Predatory.
• Centipedes possess maxillipeds complete with
  poison fangs to subdue prey.

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http//www.biwook.net/gallery/heading-bush/photos-
by-ioan/faune-australienne/3195-faune-australienne
-centipede.jpg
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Class Diplopoda

• Herbivorous.
• Diplosegments- double trunk segments with two
  pair of legs. These probably were derived from
  single segments that fused in pairs.

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http//www.swva.net/fred1st/millipede.jpg
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http//www.wmwd.com/assets/images/garden/Girl20wi
th20millipede.jpg
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Class Insecta

• Insects are the most diverse class of animals
  with 1 million named species.
• Three body regions- head, thorax, and abdomen.
• Three pair of walking legs on thorax.

http//www.scottcamazine.com/photos/venomous/image
s/11BulletAnt_jpg.jpg
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Respiration
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Excretion of Nitrogenous Waste.
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Stick Insect
http//www.sirbooga.com/alwt/MALAYSIA/StickInsect.
jpg
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Beneficial Insects
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Honeybees
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Honeybee infested with Varroa
http//agnews.tamu.edu/photos/varroa/varroa.JPG
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http//www.naturepreserves.ky.gov/NR/rdonlyres/-8E
9F-4A73-83EB-2D9F3891197F/0/ellis_Sympetrum_ambigu
um_new.jpg
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http//asab.icapb.ed.ac.uk/gallery/images/dragonfl
y_larva.jpg
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Insect Pests
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