1. Insect Behavior
Ch.37-2

2. Communication
Pheromones – Chemical signals released by an animal that can effect the behavior or development of other individuals.
Uses include: marking a path, identifying a honeybee hive, attracting a mate, or telling others to attack.

3. Ants
Lay pheromone trail – chemicals produced by ant
Ant whisperer PBS

4. Other forms of Communication
Sound
Crickets will rub their forewings against each other to attract a mate.
Female mosquitoes “buzz” to attract a mate.
cricket chirping
summer night sounds

5. Other forms of Communication
Light
Fireflies flash light. Each species has its own pattern
Firefly patterns
fireflies in sync
fire fly and car

6. Social Insects Live in colonies. Division of labor.
Only some reproduce.
Examples: ants, bees, wasps, and termites.

7. Honeybees Three types of individuals Worker Bees: females
Queen Bee large fertile female
Drones: males

8. Worker Bees - Sterile females
Have a stinger instead of an ovipositor
Gather nectar and pollen
Turn nectar into honey with enzymes in their saliva
Will sting only when
hive is threatened.
Stinger will pull out
and they will die

9. Queen bee A female that is fed Royal jelly as a larvae
She will secrete “queen factor” to keep other queens from developing.
Will go on a maiden voyage, mate with several drones and lay then eggs her entire life
Entire hive will follow (swarm) queen if she leaves

10. Drones: -males that develop from unfertilized eggs.
-Only a few will get to mate with queen on her maiden voyage
-They have no other function in a hive.
-During harsh winters, drones may get pushed out of hive

11. Honeybees
silence of the Bees – PBS

12. Killer bees = African bees
Bred to make more honey. Got aggressive . Don’t make more honey, just Steal honey.
killer bees, close up stinger

13. Dance of the bees
This dance is done to show other bees where to find food.
Video

14. Insect wars National Geographic insect wars ants vs. termites
insect wars queen steals slaves
hornets vs. honey bees