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Isopods like pillbugs and sowbugs are fascinating little critters! You can find them scurrying around anywhere dark and damp, like leaf litter, compost heaps, or under logs. They are fun to watch, collect, and look after. Set a potato trap if you are having trouble finding isopods and keep any you catch in a container with plenty of soil, bark, and stones. There are also giant isopods living in the deep sea! They are quite rare and you can see them at specialty aquariums and museums.
Steps
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Get a plastic cup and spoon to catch the isopods. Cut a few holes in the lid of a clean, plastic drinking cup to create ventilation. A plastic spoon is good for quickly scooping up any isopods you find and transferring them to the cup. [1] X Research source
- Alternatively, use a plastic container with a lid.
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Look for isopods in dark, sheltered, and damp places. Isopods like pillbugs and sowbugs are often found under logs, rocks, compost heaps, and leaf litter. Flip logs and rocks carefully, and use the spoon to disturb leaf litter and compost heaps. The isopods will scatter when they are disturbed and exposed to light. [2] X Research source
- Try looking for isopods in your backyard, parks, forests, and around ponds.
- A flashlight can be useful for spotting isopods.
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See if the isopod rolls into a ball to spot a pillbug. It's easy to tell pillbugs and sowbugs apart. Pillbugs curl into a ball when they feel threatened whereas sowbugs just scatter. [3] X Research source
- Pillbugs and sowbugs are very common garden isopods. They both make great pets!
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Scoop the isopods into the plastic cup with the spoon. Take the lid off the cup before you upturn any logs or rustle any leaves. Carefully move the logs, rocks, compost, or leaf litter and begin searching. Place the plastic spoon in front of an isopod as it moves and then transfer it into the cup. Try a different spot once you can’t see any more isopods, as they will all be hiding. [4] X Research source
- Lightly tap the spoon on the side of the container to drop the isopod in. [5] X Research source
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Cut a potato in half lengthwise and scoop out each center with a spoon. Place the potato on a chopping board and use a sharp knife to slice it. Isopods love to eat rotting vegetables, so potatoes make great bait. [6] X Research source
- Get an adult to help if you have trouble with the knife.
- You don't need to wash or peel the potato.
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Place each potato half skin-side down under a log or in leaf litter. Find a damp, dark place in your backyard to put the potato traps. Position each potato half like a bowl and cover it well with leaves. [7] X Research source
- Make sure that each potato half is covered fully by leaves so that it isn't exposed to the light.
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Collect isopods from the potato halves after 24-48 hours. Gently move the log or leaf litter to uncover the trap. Lift the trap and use a plastic spoon to scoop out any isopods into a plastic container. Otherwise, tap the potato gently over the opening on the container so the isopods fall in. [8] X Research source
- Make sure the plastic container lid has holes for ventilation.
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Get a 1 US gal (3.8 L) plastic container with holes in the lid. Either a plastic storage container or a small aquarium is ideal. Use scissors or a drill to punch a few holes in the lid so that air can circulate. [9] X Research source
- This container size is great for 20-30 isopods.
- Ask an adult for help using scissors or a drill if you need.
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Add 2 in (5.1 cm) of damp soil to the bottom of the container. Put on some gardening gloves and get soil from where you found the isopods. Spread it out evenly across the bottom of the container. [10] X Research source
- Replace the soil twice each year and remove any dead isopods at the same time.
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Mist the soil with water every day to keep it damp. Fill up a spray bottle with cool water. Check the soil twice per day and lightly spray it with water to keep it moist. [11] X Research source
- The soil only needs to be damp, not saturated.
- You don't need to give the isopods drinking water, as they get plenty from the moist soil and their food.
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Place stones, bark, or crumpled paper in the container to give the isopods cover. Look around your backyard and collect anything that you think the isopods would like. Small twigs and a few leaves work well too! [12] X Research source
- Try to make the container look like the natural habitat.
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Transfer the isopods into their new home. Use a plastic spoon to carefully move the isopods from the collection container into their new habitat. You can also gently tip the plastic container onto the soil, as the isopods won’t get hurt when they fall. [13] X Research source
- Remember to put the lid on the container when you are done.
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Expert Q&A
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QuestionWhat temperature and humidity does the Isopod need for breeding?Brandon Runyon is a board-certified Entomologist based in Evansville, Indiana. He has over 18 years of experience as a Pest Control professional, and is the Technical Director of Swat Pest Management. Swat Pest Management serves areas throughout Kentucky, Indiana, and Illinois, where they provide safe, cost-effective solutions for client’s pest control needs. He authored Bugged by Bugs: A Comprehensive Guide to Pest Control, a user-friendly guide to commercial pest control practices in hotels, restaurants, apartments, and offices. He graduated from Purdue University with a BS in Entomology, and received a MS in Entomology from The University of Nebraska-Lincoln. He also received an MBA from Western Governors University.You should maintain a temperature of around 82 degrees Fahrenheit and a humidity level between 60 and 80 percent. If you notice aggressive behavior between males and females, separate them to avoid stress. Providing calcium supplements can also enhance breeding success and support the development of offspring.
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QuestionWhat if you don't have a gold fish bowl and the other items?Community AnswerLook around the house for similar items or maybe go to a pet store and get a fish bowl there.
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QuestionDo rolypolys like vinegar?CremelloHorseCommunity AnswerNo, they will run away from the smell! If terrestrial isopods are exposed to chemicals such as acetic acid (vinegar), they then will exhibit negative chemotaxis to avoid the chemical.
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Tips
- Pillbugs and sowbugs can’t bite or spread disease, so don’t be afraid to hold them!Thanks
- Only mist once a day if you're in a very dry area! Most of the time they only really need misting once a week!Thanks
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Things You’ll Need
Collecting Isopods
- Plastic cup with lid
- Scissors
- Plastic spoon
- Flashlight
Using Potato Traps
- Sharp knife
- Chopping board
- Spoon
- Plastic container with lid
- Scissors
- Plastic spoon
Caring for Isopods
- Plastic container
- Scissors or drill
- Gardening gloves
- Soil
- Spray bottle
- Stones, bark, leaves, twigs, or crumpled paper
- Plastic spoon
- Plastic container
References
- ↑ http://www.sbstatesman.com/2015/09/09/bio-204-students-scavenge-for-isopods/
- ↑ http://soilbugs.massey.ac.nz/isopoda.php
- ↑ https://media.vwr.com/emdocs/docs/scied/Land_Isopods.pdf
- ↑ http://www.sbstatesman.com/2015/09/09/bio-204-students-scavenge-for-isopods/
- ↑ https://workbasedlearning.pnnl.gov/pals/resource/cards/pillbugs.stm
- ↑ https://pestworldforkids.org/downloadFile?id=1233
- ↑ https://workbasedlearning.pnnl.gov/pals/resource/cards/pillbugs.stm
- ↑ https://workbasedlearning.pnnl.gov/pals/resource/cards/pillbugs.stm
- ↑ https://pestworldforkids.org/downloadFile?id=1233
- ↑ https://media.vwr.com/emdocs/docs/scied/Land_Isopods.pdf
- ↑ https://media.vwr.com/emdocs/docs/scied/Land_Isopods.pdf
- ↑ https://media.vwr.com/emdocs/docs/scied/Land_Isopods.pdf
- ↑ https://media.vwr.com/emdocs/docs/scied/Land_Isopods.pdf
- ↑ https://media.vwr.com/emdocs/docs/scied/Land_Isopods.pdf
- ↑ https://petponder.com/what-are-eating-habits-of-pill-bugs
About This Article
Article Summary
X
To catch isopods, look for them in dark, damp places, like underneath branches, rocks, and leaves. Just move slowly and carefully when you flip things over so you don't scare the isopods away. If you find one, use a spoon to scoop it up, and place it into a plastic cup. Once you've captured some isopods, you can keep them in an aquarium that's lined with a couple inches of damp soil. To learn how to make your own isopod trap, scroll down!
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