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Class INSECTA

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... fireflies Order Lepidoptera Two wings joined together Proboscis mouthpart Spin cocoons Butterflies and moths Order Diptera Single pair of flight wings ... – PowerPoint PPT presentation

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Title: Class INSECTA


1
Class INSECTA
  • Orders of Classification

2
SubClass Apterygota
  • Primitive wingless insects
  • No metamorphosis

3
Order Odonata
  • Large
  • Aquatic nymphs
  • Dragonflies and damselflies

4
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5
Order Orthoptera
  • Wings folded like a fan under the forewings
  • Grasshoppers, crickets, cockroaches, walking
    sticks, Locusts, praying mantids

6
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Order Mallophaga
  • As large as 6 mm
  • Wingless
  • Live on a host
  • (birds and mammals)
  • Biting lice

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Order Anoplura
  • As large as 6 mm
  • Wingless
  • Warm-blooded hosts
  • Sucking lice
  • Head louse, crab louse, body louse

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11
Order Hemiptera
  • Leathery portion of forewing
  • Piercing-sucking mouthparts
  • Many with odorous scent glands
  • TRUE BUGS
  • Bedbugs, squash bugs, stinkbugs, water striders,
    assassin bugs

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13
Order Homoptera
  • Plant eaters (some destructive)
  • Wings held rooflike over body
  • Aphids, scale insects, leafhoppers

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15
Order Coleoptera
  • Largest order of animals in the world
  • Front wings are thick and hard
  • Biting and chewing mouthparts
  • Carrion beetles, whirligig beetles, dung beetles,
    fireflies

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Order Lepidoptera
  • Two wings joined together
  • Proboscis mouthpart
  • Spin cocoons
  • Butterflies and moths

18
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19
Order Diptera
  • Single pair of flight wings
  • Hindwing balance
  • Legless larvae (maggots)
  • TRUE FLIES
  • Mosquitoes, fruit flies, houseflies, horseflies,
    blowflies, flesh flies

20
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21
Order Siphonaptera
  • Small, wingless
  • Legs for leaping
  • No eyes
  • Ectoparasitic on birds mammals
  • Fleas

22
Order Hymenoptera
  • Wings (with small hindwings)
  • Ovipositor sometimes modified into a stinger,
    piercer or saw
  • Social and solitary species
  • Ants, bees, and wasps

23
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