1. Insects

2. Classification of Insects Kingdom Animalia –Invertebrates Phylum Arthropoda –Exoskeleton –Jointed legs

3. Class Centipedes Class Millipedes Class Crustaceans Class Arachnids Other Classes of Arthropods

4. Class Insecta Characteristics 3 body parts Six jointed legs

5. Class Insecta Characteristics Two pairs of wings Two kinds of eyes –Compound & simple

6. Class Insecta Characteristics Two Antennae –Sensory organs Two sets of jaws -mandibles

7. Class Insecta Characteristics All insects begin their life cycle as an egg.

8. Insect Orders

9. True Bugs Order Hemiptera Long feeding tubes All bugs are insects but not all insects are bugs

10. Insects place in the Animal Kingdom 1 million species identified (Most populous of all living things) Most diverse of all organisms

11. Insects place in the Animal Kingdom Can live in any environment Well adapted to their environment –camouflage

12. Harmful Insects Destroy Crops Carry/Spread Diseases Parasitic

13. Helpful Insects Food for other organisms Pollinate flowers to produce fruits and vegetables

14. Helpful Insects Eat other harmful insects Help in decay of dead organisms

15. Exoskeleton A hard outer covering Used for protection Made of chitin

16. Insect Head – Eyes, mouthparts, antennae Insect Thorax – legs, wings Insect Abdomen – digestive and reproductive organs

17. Insect Antennae (Feelers) Sensory Organs –Touch –Taste –Smell –Hearing

18. Insect Mouthparts Sponging/Lapping Ex. housefly Siphoning/Proboscis Ex. butterfly

19. Insect Mouthparts Piercing/Sucking Ex. Wheel bug and Mosquito Chewing Ex. caterpillars None Ex. mayfly

20. Insect Wings Membranous Clear with veins showing Hard shell like outer wings Powdery Scales

21. Insect Life cycles Simple Metamorphosis hatches from egg looking just like the adult grows in size by molting

22. Insect Life Cycles Incomplete Metamorphosis –Hatches from egg and becomes a nymph –Nymph does not have fully developed wings –Molts to become an adult

23. Insect Life Cycles Complete Metamorphosis –Egg –Larva (Caterpillar) –Pupa (Chrysalis or Cocoon –Adult