| Living Materials
Information
Crickets
(Acheta
domesticus)
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Materials |
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3–4
plastic holding tanks with lids |
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Two
or three 270-mL (9-oz) cups of woodland soil |
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1
empty egg carton, some crumpled paper, or a handful of leaves and twigs for
each holding tank |
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1 lettuce leaf,
a slice of potato or apple, seeds, grass, or a piece of dog kibble for food in each holding tank |
Procedure
Prepare the holding tanks before the crickets arrive. Be sure the tank lids are
ventilated; punch holes in them if needed. Place a 1" layer of
woodland soil in the bottom of each tank and add hiding places for the
crickets. An egg carton propped open on its side works well. Dry leaves, crumpled paper towels, or a pile of twigs also will provide enough cover.
As soon as possible after the crickets arrive, tip them gently from their shipping carton into the holding tanks.
Don't forget to put the lids on the tanks after you add the crickets.
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| House cricket |
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Crickets are not fussy eaters, but, if possible, provide a variety of both wet and dry food. A small piece of fresh fruit or a vegetable will provide the moisture they need. If you must hold the crickets for more than
2 days, replace any food that becomes moldy or dry. Keep the holding tanks in a warm place, but not in direct
sunlight.
If you have access to a lab refrigerator, you can place the holding tanks in it for about 20 to 30 minutes before you distribute the crickets. The lower temperature will slow
the crickets' metabolism and reduce their activity, making them easier for
your students to handle.
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