How to make... a pitfall trap

Set up a pitfall trap to carry out a small-scale survey of the insects in your garden. 

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How to make your own pitfall trap
Illustrations by Alan Batley

 

1. Bury a plastic pot (such as a yoghurt pot) into the ground, so the rim is at ground level.

2. Include a few leaves as hiding places, but low down so beetles can’t climb out.

3. Position some stones around the rim, and a piece of wood on top to keep the rain out.

4. Check the trap the next day and note what you see. Release the insects afterwards.

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