Beneficial
Insects
|
AUTHOR(S),
DATE, SCHOOL/DISTRICT:
Eliza
Barclay, Cynthia King
5/17/01
Havenscourt Middle School, Oakland Unified School
District
|
SUBJECTS
ADDRESSED:
- Insects that are useful humans: bees, ladybugs,
silk worms, wasps
- Biological control
|
GRADE
LEVELS: Middle
school
|
STATE
STANDARDS ADDRESSED:
- Regulation and Behavior of Living Organisms
- Diversity and Adaptations of Living Organisms
|
LESSON
PURPOSE OR GOAL:
- Have students understand different beneficial
insects and useful qualities
- Give students exposure to exotic and common
insect species
- Engage them in scientific inquiry
|
LESSON
DESCRIPTION:
- Explain basic facts about beneficials
- Define biological control
- Have students observe wasp-worm relationship as
an example of biological control
- Discuss findings
|
APPROX.
CLASS TIME NEEDED: 50
minutes
|
RELATED
RESOURCES:
- General insect books
- Biological
control info
|
MATERIALS
- Petri dish with goniosis wasp and navel orange
worm
- Paper for note taking
|
PREPARATION
Collect bugs and put
them in petri dish
|
INTRODUCTION
ACTIVITY:
Ask kids
to list insects that are good for humans
|
PROCEDURE:
- Pass out worms in dishes
- Walk around and put one wasp in each dish
|
EXTENSION
ACTIVITIES
Follow up
observations for ensuing 4 weeks and watch changes in
dish as wasp lays eggs on worm
|