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Let's play with worms in acorn!

Tiny and soft

What you can learn from this activity: Understand insect body, behaviour and life cycle. Understand interactions among acorn, weevil acorn and other living things in the forest by collecting acorns, eating acorns, and thinking how acorn weevils and acorns grow.

When and where to do: Woods from October to November

Materials:

Prepared by participants: color pencil, magnifying lens, water bottle, insect net, insect basket, small plastic bag

Equipment by coordinator: leaflet, questionnaire, first aid box, acorns and their leaves, micorscope, pan with lid to fry acorns, acorn weevils (adult and larvae), small plastic containers and soil to take back acorn larvae

Procedure: 1. Let's go out for collecting acorns. 2. Let's look at acorns closely. 3. Let's eat Shiinomi acorns. 4. Let's look at larvae of acorn weevil. 5. Time trial! How long does your acorn weevil take to go into soil? Let's think about how you can raise acorn weevil larvae. 6. Let's raise acrons, too. 7. Wrap up

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Pictures of the activity :

At Inamino Mizubenosato Park on Nov. 13 , '05.F

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Let's go out for collecting acorns!

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Many acorns! Look at the leaves as well.

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There are many on the tree, too. Some are hiding behind the leaves.

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What did you get?

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What does the larvae of acorn weevil look like? They came out from the acorn by carving a hole

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Do you like it? Look at it very closely. How long does your weevil take to go into soil?

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How do you think the weevil become after goin to the soil? Next Summer, you will see this one.

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This is its face and tip of the long proboscis (mouth) looks as this. With this tip, a weevil can carve a hole in acorn and place an egg.

@@Fun time! How many acorns can you take out from the bottle?

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