1. Insects

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

3. Class Centipedes Class Millipedes
Class Crustaceans
Class Arachnids

4. Class Insecta Characterisitics
3 body parts
Six legs

5. Class Insecta Characteristics
Two pairs of wings
Two kinds of eyes
compound

6. Class Insecta Characteristics
Two Antennae
Two sets of jaws

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

8. Insect Orders

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

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

11. Harmful Insects
Destroy Crops
Carry/Spread Diseases
Parasitic

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

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

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

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 Powdery Scales 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