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Class INSECTA

Class INSECTA. Orders of Classification. SubClass Apterygota. Primitive wingless insects No metamorphosis. Order Odonata. Large Aquatic nymphs Dragonflies and damselflies. Order Orthoptera. Wings folded like a fan under the forewings

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Class INSECTA

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  1. Class INSECTA Orders of Classification

  2. SubClass Apterygota • Primitive wingless insects • No metamorphosis

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

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

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

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

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

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

  9. 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

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

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

  12. Order Siphonaptera • Small, wingless • Legs for leaping • No eyes • Ectoparasitic on birds & mammals • Fleas

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

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