1. INSECTS Entomology Notes #11, 10/1/07

2. The Insect Body Arthropods Three Body Sections –Head (eyes, antennae) –Thorax (wings and legs) –Abdomen (internal organs) Six legs One pair of antennae One or two pairs of wings 2 Compound eyes (many lenses) to see movement Small simple eyes to see light/darkness Breathe through tubes near exoskeleton

3. From Egg to Adult Complete Metamorphosis Examples: beetles, butterflies, flies, ants –Egg –Larva –Pupa –Adult Gradual Metamorphosis Examples: grasshoppers, termites, cockroaches, dragonflies –Egg –Nymph –Adult

4. How Insects Feed Eat plants, plant parts, paper, animals, blood, dead bodies, animal droppings Mouth is adapted to get food –Bees have a bristly tongue –Mosquitoes have a sharp mouth to suck blood

5. Defending Themselves Flee danger (fly away, run) Painful stings Smell or Taste Bad Camouflage Resemblance to other animals

6. Project #2: Insect Poster Create a “Wanted: Dead or Alive” Poster Letter size (8.5 x 11); Colored Include such information as the –Insect’s scientific and common name –Insect’s known occupation/characteristics –insect's natural habitat, –what the insect needs to stay alive –why the insect is "wanted" Due Date: Friday, October 5, 2007 Example:..\wantedposter2.pdf..\wantedposter2.pdf

7. Assignment #20: Metamorphosis Copy “Exploring Insect Metamorphosis” page 65 (Labels/Descriptions) Questions: 1.How is a firefly’s metamorphosis different from a grasshoppers? 2.When does the grasshopper acquire wings? 3.What do adults do that larvae and nymphs do not?