
- Eggs. Monarch butterflies lay eggs on a host plant to help their larva survive. And as we know, caterpillars only eat one plant – the common milkweed.
- Caterpillar. Now let’s talk about the actual caterpillars themselves. As hungry monarch caterpillars grow, they molt.
- Chrysalis / Pupa. Monarch caterpillars spin a silk material around themselves and hang upside down off the milkweed leaf.
- Monarch butterfly. Adult monarchs have unmistakenly beautiful; with their signature black, orange, and white markings. The wingspan of a fully grown monarch butterfly is four inches.
What plants do monarch caterpillars eat?
Do Aphids eat monarch caterpillars?
- Assassin bugs feast on monarch caterpillars.
- Birds (Black-backed orioles and black-headed grosbeaks are common predators for butterflies overwintering in Mexico.)
- Chalcid Wasps (monarch chrysalis parasite)
- Lizards.
- Mice will eat chrysalides.
- Spined Soldier Bug- Predatory Stink Bugs.
- Toads.
What else can monarch caterpillars eat?
Thereof, what do monarch caterpillars eat besides milkweed? Most enthusiasts have found most success with butternut squash as a substitute for milkweed leaves. Some of the other vegetables that have successfully been fed to Monarch caterpillars in the last instar (last few days) are cucumber, zucchini, and pumpkin.
Do monarch caterpillars eat anything besides milkweed?
Answer (1 of 7): Adding on to what others have said, there are a few other foods that monarch caterpillars can eat, besides milkweed. These include cucumber, pumpkin, and butternut squash. However, there has not been any research done to see how the resulting butterflies fare in life.
What are the stages of a monarch caterpillar?
Monarch Life Cycle Stages
- Egg
- Larva (caterpillar)
- Pupa (chrysalis)
- Adult butterfly

What can I feed my Monarch caterpillar?
milkweed leavesMonarchs use a variety of milkweeds. Monarch larvae ,or caterpillars, feed exclusively on milkweed leaves.
Will Monarch caterpillars eat anything besides milkweed?
Actually, no. Monarch caterpillars do only eat plants in the Milkweed family (Asclepias spp), so if we want to help them out in our wildlife gardens, we still need to add these plants to our gardens.
How do you take care of a Monarch caterpillar?
Keep all containers in natural light, way from direct sun. Clean all containers daily, by removing the leaves with the eggs or caterpillars on them, then dumping the little poops, wiping the container with water, adding fresh milkweed, then returning the leaves.
Do Monarch caterpillars eat cucumber?
Although Monarch caterpillars will eat pumpkin, squash, cucumber, and a few related vegetables in captivity, milkweed is their host plant. If you run out of milkweed and your caterpillars are just a couple of days from pupation, you can offer it something like butternut squash to eat. Prepare for orange frass!
Can you feed monarch caterpillars pumpkin?
Well, there is a partial alternative: pumpkin! I say 'partial alternative' because only the older, larger caterpillars can make use of it. While smaller caterpillars can feed on pumpkin flesh, pumpkin doesn't provide everything they need to properly develop.
Will monarch caterpillars eat parsley?
Monarch caterpillars do not eat parsley and Black Swallowtail caterpillars do not eat milkweed, and if either attempted, they would not survive. Black Swallowtails were in the past commonly referred to as the Parsnip Swallowtail as their caterpillar food plants belong to members of the Umbelliferae, or Carrot Family.
How do you keep monarch caterpillars alive?
Provide sufficient milkweed including adding fresh milkweed daily. Keep rearing containers out of direct sunlight and provide a moist (not wet) paper towel or sponge to provide sufficient, not excessive, moisture. Release monarchs where they were collected and at appropriate times of year for your area.
Do monarch caterpillars need to drink water?
Caterpillars do not drink water. They normally obtain sufficient fluids from the food plants that they eat. Outdoors, many overwintering caterpillars benefit from rain or other moisture reaching them.
Do you need to give monarch caterpillars water?
Caterpillar Tip 15- Monarchs Need Water Milkweed should be thoroughly rinsed so that caterpillars food is clean, while providing extra hydration. A mesh cage provides good air circulation so mold shouldn't be an issue.
How long can a monarch butterfly live without food?
Monarch butterflies arrive in Mexico in November and stay until March. Scientists say they can survive all winter with little or no food at all.
What fruit do monarch butterflies eat?
Jill Staake Jill Staake A monarch butterfly enjoying an overripe banana. Choose juicy fruits. Butterflies will use their proboscis to sip fruit juice just as they would flower nectar, as you can see in the photo of the monarch above. Fruits like strawberries, mangoes, oranges, and watermelon are ideal.
How many leaves does a monarch caterpillar eat?
Commercial butterfly breeders tell me that each Monarch caterpillar can easily defoliate an entire one-gallon milkweed plant–consuming 175 – 200 leaves per caterpillar–before eclosing to the chrysalis stage.
What fruit do monarch butterflies eat?
Jill Staake Jill Staake A monarch butterfly enjoying an overripe banana. Choose juicy fruits. Butterflies will use their proboscis to sip fruit juice just as they would flower nectar, as you can see in the photo of the monarch above. Fruits like strawberries, mangoes, oranges, and watermelon are ideal.
Do caterpillars eat spinach?
Spinach and other leafy vegetables can be plagued by caterpillars. A common type of caterpillar on greens is a looper. Loopers are light green caterpillars that completely or partially eat leaves of vegetable plants.
What do monarch caterpillars need to survive?
Monarch caterpillars feed exclusively on milkweed plants, and female butterflies lay their eggs on the plants so their larvae will have plenty of food. If you want to find Monarch caterpillars, either plant milkweed in your yard, or explore overgrown land in your area to find plants that are already growing.
Can caterpillars eat any leaves?
Most caterpillars of different species will quickly eat food from several food plants, including apple leaves, oak leaves, dead leaves, tree trunks, and more. Caterpillar food should never be processed.
How to Identify Monarch Butterfly Caterpillars
Identification of the grown monarch caterpillar is easy. Even people who only superficially know about caterpillars can recognize the caterpillar of the monarch butterfly. It is a medium-sized, plumpish caterpillar that comes with white, black, and yellow stripes and looks like no other.
Where Are They Typically Found?
The monarch butterfly, Danaus plexippus, is found in North America. Its habitats include empty lots, roadsides, wet meadows, gardens, marshes, pastures, and open areas. In other words, it shares the same habitat as the milkweed plant.
What Do They Eat?
Milkweed is a staple of the monarch caterpillar’s diet, to the point where it and its cousins are called milkweed butterflies. The butterfly’s life cycle begins when the female carefully lays her eggs on a leaf of the plant, one at a time, securing them with a bit of natural glue. Other than that she doesn’t provide any parental care.
How to Raise Them
Raising monarchs is easy and fun. Not only this, it benefits the butterflies, whose conservation status is near threatened. They have even been successfully raised aboard the International Space Station.
How Long Do They Incubate?
The incubation of monarch butterfly eggs takes about three to eight days. It takes a caterpillar a little less than a month before it’s ready to pupate. Pupation takes about eight to 15 days.
When Do the Breeding and Hatching Seasons Typically Take Place?
Breeding and hatching of the monarch usually take place in the spring and summer.
What kind of plants do monarch butterflies like?
That being said, some of the more common plants for monarchs will include: Milkweed. Butterfly weed. Asters . Coneflowers. Joe pye weed. Liatris.
What do monarch butterflies like?
What plants do monarchs like? Annual flowers such as zinnias , Mexican sunflower, and firecracker vines are all excellent options in attracting adult butterflies to the garden. But don’t stop there. Generally, these butterflies prefer native plants, so you’ll have to research specific native wildflowers in your area.
What kind of milkweed is good for butterflies?
Among the most common types of milkweed for butterflies are whorled milkweed, clasping milkweed, butterfly weed, and eastern swamp milkweed. Before planting any types of milkweed, it will be important to check local lists of noxious weeds and invasive species.
Do monarch caterpillars eat milkweed?
As the caterpillars consume the plant, they ingest a toxic latex substance to which they are immune. Since monarch caterpillars feed exclusively on milkweed, planting the correct varieties is imperative. This makes some research necessary when planting your monarch butterfly garden.
Do monarch butterflies need nectar?
Beneficial insects are attracted to flowers that provide a steady source of nectar throughout the growing season. This is no exception in the creation of a monarch butterfly garden. Adult monarch butterflies, which migrate towards Mexico, will need a consistent supply of nectar-rich blooms.
Do monarch butterflies lay eggs on milkweed?
Although watching adult butterflies flutter by can be quite rewarding, it is essential that growers also consider plants for monarch caterpillars. Monarch butterflies are unique in that the female will only lay eggs specifically on milkweed plants.
How many instars are there in monarch caterpillars?
There are five “instars,” which are the growth stages of Monarch caterpillars/larvae. Each instar represents a larger-sized caterpillar, and a shedding of the previous instar’s skin. Monarch caterpillars typically eat the shed skin when transitioning to the next instar.
How many eggs do monarch butterflies lay?
In the wild, Monarch butterfly eggs and caterpillars aren’t nearly so lucky. A female Monarch butterfly will lay 300-400 eggs. Of those, it’s estimated that at least 90% will not make it to become an adult butterfly. (Yes, Monarch eggs and caterpillars are a food source for other predatory species.)
What stage do monarch caterpillars go off to?
At the end of the fifth instar larval stage, Monarch caterpillars will stop feeding and go off in search of a spot to form their chrysalis. In the wild, this might be the underside of a leaf or branch.
What disease does monarchs get?
A common disease that effects Monarchs — especially in warmer climates — is OE ( Ophryocystis elektroscirrha ). This is a protozoan parasite that Monarch caterpillars get while eating milkweed. The parasite’s spores are then spread via infected to new plants and new butterflies via infected adult butterflies.
Why are my monarch butterfly's wings crumpled?
Heavy OE infection in caterpillars is the main cause of wing deformity in emerging Monarch butterflies. If you have a Monarch butterfly whose wings are still crumpled and unable to fly a day after eclosing, you’ll want to euthanize it to prevent the spread of OE. Dispose of the body in the trash rather than outside.
How many generations do monarch butterflies have?
A. Monarch butterflies typically have four generations per year. Unlike many other insects, Monarch butterflies do not overwinter or lay eggs to overwinter. The Monarch butterflies you see in spring are NOT the same butterflies you see in late summer.
Why are monarch butterflies so popular?
Likewise, Monarch butterflies ( Danaus Plexippus) — a charismatic butterfly species — are beloved because of their exceptional beauty and their extraordinary long-distance migration pattern. In fact, Monarch butterflies undergo the longest two-way migration of any insect on earth, which is also the reason they have such huge wings.
How big are monarch caterpillars?
Fun Fact: monarch caterpillars measure less than 1/10″ upon hatching. Many of you will have a hard time seeing these tiny caterpillars, and that’s why its a good idea to have them in food containers where you can leave them until you can 👀 them…this is when your magnifying glass will come in handy!
How long can caterpillars eat cuttings?
If your eggs are on cuttings or plants, the caterpillars will be fine to feed on those for days, and possibly up to a week! Here’s a caterpillar that is still feasting on the same cutting it was deposited by mother monarch:
What happens when a monarch egg turns dark?
This signifies a baby caterpillar is about to emerge, unless…. If the egg turns completely dark, your caterpillar didn’t survive. This macro photography of a monarch egg shows an egg that has been parasitized by trichogramma wasps.
How to keep milkweed from falling?
2. Mist the milkweed plants from above so water mist rains down on them. Spray up, and let the water gently fall down on the occupied milkweed.
How long does it take for monarch eggs to hatch?
Then fold the egg inside the leaf and smash it with your fingers. Otherwise, in about 10 days a bunch of tiny wasps could emerge, mate, and start parasitizing more monarch eggs!
Can you spray milkweed before a caterpillar hatches?
It doesn’t matter how you spray your leaves before your caterpillars hatch, but after hatching is a different story. Using the wrong spray technique can kill your caterpillars by launching them off the milkweed to places only seen by superheroes with x-ray vision…
How long does it take for a monarch caterpillar to eat milkweed?
One monarch caterpillar can eat an entire milkweed plant in the 10-14 days before it turns into a chrysalis. Don’t forget about adult butterflies, too. When you release your monarchs, they will want nectar-producing flowers. 5.
How long does it take for a monarch butterfly to emerge?
After the fifth molt, the caterpillar hangs upside down from a silk pad and transforms into a green chrysalis. After 7-14 days , a monarch butterfly emerges.
How much do monarchs survive?
Raising monarchs isn’t rocket science. If you follow basic principles of cleanliness, your monarchs’ survival rate is likely to reach 80-95% , far exceeding the meager 2-10% of monarchs that survive to become butterflies in the wild.
Do monarchs need more space?
1. Do provide more space than a jar. While it used to be commonplace for Monarch caterpillars to be raised in jars, we’ve since learned more about their needs. More space equals bigger caterpillars, and bigger caterpillars equal bigger monarchs. Bigger monarchs are more likely to survive in the wild, especially if they’re amongst ...
Can monarch butterflies live in a tent?
Bigger monarchs are more likely to survive in the wild, especially if they’re amongst the late summer butterflies to migrate to the fir forest s of Mexico . Fortunately, there are a lot of inexpensive options for butterfly tents. You’ll need two separate spaces – one for developing caterpillars, and one for butterflies.
Can you raise a monarch inside?
Don’t raise monarchs completely inside. Monarchs are being studied all the time. While yet inconclusive, current research indicates that monarchs raised without the normal day/night cycles and exposure to varying temperatures may not migrate as well as monarchs raised in the wild.
Is it important to raise monarchs?
There is so much more to learn about them, and while it may not be essential to raising them, it will make the project more fun and successful. A great source for reliable information about monarchs is Monarch Watch. Raising monarchs and learning about them can be fun for the whole family.
