How to Care for Blue Death Feigning Beetles

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Blue death feigning beetles, sometimes also called ironclad beetles, are native to the American southwest. These beetles secrete a wax-like substance that protects them from the sun and gives them their blue color. When they feel threatened, they stop moving, roll on their backs, and feign death. Their beautiful appearance, interesting behavior, long lifespan, and easy care makes them a popular insect to keep. They do have an unusually long lifespan, living up to 17 years in captivity, so be prepared for the long commitment if you plan to adopt a few. [1]

Method 1
Method 1 of 3:

Setting up the Perfect Habitat

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  1. Choose a glass or plastic tank. You can keep about 3-5 beetles in a habitat that size. Give the beetles plenty of room to wander around. Remember that a bigger space is always better. [2]
    • You can buy a glass terrarium or plastic critter keeper from a pet store, but a plastic storage bin also works.
    • Beetles can’t climb glass or plastic walls, so you don’t need a lid for the habitat. If you prefer to have a lid, be sure it’s ventilated so air can flow in and out of the cage.
  2. Because blue death feigning beetles are desert beetles, they prefer a sand based substrate. Play sand alone works fine, but many people like to mix in coconut fiber, or dead leaves into the sand. [3]
    • Do not use a dirt-based substrate. It can accumulate on the beetles' feet and become hazardous to their health.
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  3. Add some branches and twigs to the habitat. You can provide your beetles with a hiding spot by simply leaning a piece of bark against the side of the cage. You can also buy a wooden half log from a pet store to use as a hiding spot. A toilet paper roll that is half buried in the substrate works too. [4]
    • Blue death feigning beetles are diurnal, meaning that they are active during the day and sleep at night. They like to be safely hidden away at night.
    • Remember that the more beetles you have, the more hiding spots you will have to provide.
  4. One small ceramic or plastic food dish should be able to hold enough food for many beetles. If you have a larger colony of beetles, you might want to consider adding multiple food dishes. [5]
    • It is important to keep the food you feed your beetles off of the substrate to prevent mold growth.
    • You can buy a food dish from a pet store or use a small overturned lid as a food dish.
  5. Blue death feigning beetles get all the water they need from the food they eat. Beetles are also not strong swimmers, so if they accidentally fall in a small dish of water, they may drown. [6]
    • Blue death feigning beetles come from a desert environment, so they are quite used to not having access to large amounts of drinking water.
  6. You don’t need to add any extra decorations to your beetles’ habitat, but they can add aesthetic appeal. Plant live plants in the substrate or buy some terrarium decorations at your local pet store. [7]
    • If you use live plants, there is a good chance that your beetles will slowly eat them. If you’d rather keep plants as decoration and not beetle food, try adding fake plants instead.
    • Be careful to not make the habitat too crowded with decorations. Make sure your beetles still have space to walk around freely.
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Method 2
Method 2 of 3:

Maintaining Optimal Conditions for the Beetles

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  1. If your house does not stay this warm, use an incandescent light bulb. Hang it over the top of the habitat to simulate the sun.
    • Beetles can bask in the heat of the bulb if they want, or hide under the branches and leaves you provide to stay cool.
    • If you have an extra-large habitat, you can also find heat mats at your local pet store that can be put under the tank to help keep the beetles comfortable.
  2. Blue death feigning beetles are desert creatures, so the humidity should be kept low. Simply lightly mist the habitat with water once per week to keep it from drying out completely. [8]
    • The color of the beetles is based on the relative humidity. Beetles living in a habitat with higher humidity will turn a blackish color, while beetles that are kept in low humidity, are bright blue. Lower humidity means more colorful beetles.
    • If you live in an area of high humidity, you may want to invest in a hygrometer to measure the level of humidity in the terrarium. If you notice it is getting too high, mist the habitat once every other week. You can also increase the ventilation in the habitat by removing the lid of the habitat, if you have one.
  3. These beetles are notoriously difficult to breed successfully. However, burying a few carrots in the habitat and keeping the substrate around them moist can help get your beetles to breed and provide a food source for the larvae when they hatch. [9]
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Method 3
Method 3 of 3:

Feeding

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  1. Place a few small pieces of fruit on their food dish. Try banana, apple, orange, grape, pineapple, or mango. Remove the fruit after 2 days and supply new pieces. [10]
    • Try to give one type of fruit at a time until you find out what they like. Notice if there are any fruits they eat faster than others. Once you figure out their favorites, rotate between them.
    • If you have a lot of beetles, and they are eating all the fruit you give them within 2 days, give them a couple of extra pieces. After some time, you’ll have a good idea of how much fruit they can eat within 48 hours.
  2. Blue death feigning beetles are omnivorous, which means they will eat nearly anything you give them. They often enjoy chopped carrots, celery, and lettuce. Give them 1 or 2 small pieces (about the size of your fingernail) at a time. Remove any uneaten pieces after 2 days.
    • If you have more than 5 beetles, give them 3-4 pieces at a time.
    • While fruits will provide vital nutrients and water, it’s nice to vary the food you give the beetles so they don’t get bored.
  3. Add small amounts of moistened dog and cat kibble or grains to their food dish. Take away any uneaten bits after 24 hours. [11]
    • Try adding these extra treats a couple times per week.
  4. Find trees with lichens growing on the bark. Strip off some small pieces of the bark with a sharp knife. Put the bark in the beetle habitat. Replace it with fresh bark every month.
    • If you have several beetles, be sure to break the bark into a few pieces and scatter them around their habitat so everyone can have a chance at finding some.
    • To keep the lichen fresh and tasty, mist it with some water 3 times per week.
  5. Find special beetle food at your local pet store or online. It usually comes in little plastic cups. Check the label to find out the right daily amount to feed your beetles. [12]
    • Even if you choose to fulfill your beetles’ nutritional requirements with commercial beetle food, you should still give fruits, vegetables, bark, and other treats to the beetles once or twice per week to give them some variety in their diet.
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Expert Q&A

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  • Question
    Where can I find beetles?
    Brandon Runyon
    Entomologist
    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.
    Brandon Runyon
    Entomologist
    Expert Answer
    Explore areas with trees and fallen logs. Look for downed or dead trees and break them open. When you crack open a dead tree or log, you are likely to find beetles, along with other creatures such as millipedes and centipedes, showcasing the circle of life in decaying wood. Also, decaying plant matter is another good place to search for beetles.
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  • Question
    Do these beetles need any lighting or heating?
    Community Answer
    The beetles do not need any lighting. You may want to invest in a heater if the temperature drops below 70 degrees.
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  • Question
    What does it mean when my beetle does not move for hours after I bought it?
    Community Answer
    It is likely just in shock from you moving it from one habitat to another. Give it some time and make sure that you have it in a comfortable environment. They have a tendency to play dead when they are stressed or bothered.
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      Tips

      • Blue death feigning beetles are easily moved because they play dead when disturbed. These beetles will not bite, and are perfectly safe to hold in your hands. If you would like, you can wear gloves or use tongs to move the beetles. Just make sure you are gentle!
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      • Blue death feigning beetles have been reported to live for up to 17 years in captivity. If you are going to raise these, be ready to do it for a long time.
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      • If you live in the South-Western United States, then finding blue death feigning beetles could be an option for you. You can look for them in sandy desert areas. Try lifting up rocks and pieces of wood. They can also be found on sand dunes, or at the base of many desert plants.
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      References

      1. ↑ http://cincinnatizoo.org/news-releases/blue-death-feigning-beetle-emerges-in-time-to-celebrate-world-of-the-insects-40th-anniversary-at-the-cincinnati-zoo/
      2. ↑ https://www.keepinginsects.com/beetle/care/
      3. ↑ https://www.keepinginsects.com/beetle/care/
      4. ↑ https://www.keepinginsects.com/beetle/care/
      5. ↑ https://www.keepinginsects.com/beetle/care/
      6. ↑ https://www.keepinginsects.com/beetle/care/
      7. ↑ https://www.keepinginsects.com/beetle/care/
      8. ↑ http://arachnoboards.com/threads/death-feigning-beeltes.205905/
      9. ↑ http://cincinnatizoo.org/news-releases/blue-death-feigning-beetle-emerges-in-time-to-celebrate-world-of-the-insects-40th-anniversary-at-the-cincinnati-zoo/
      1. ↑ https://www.keepinginsects.com/beetle/care/
      2. ↑ http://arachnoboards.com/threads/death-feigning-beeltes.205905/
      3. ↑ https://www.keepinginsects.com/beetle/care/

      About This Article

      Article Summary X

      To care for blue death feigning beetles, keep them in an enclosure that’s at least 5 times taller and wider than their length. Cover the bottom of the habitat with about 2 inches of a sand-based substrate, and include branches, twigs, and bark to provide your beetles with hiding spaces. Mist the habitat with water once every 1-2 weeks, and give them a steady supply of fresh fruit and vegetables in a shallow food bowl. However, don’t put a water dish in the bowl, or the beetles could drown. Keep reading to learn how to choose the best foods for your beetles!

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