Potted Plants Milkweed container plants offer a simple way to start raising monarch caterpillars each spring. Just put out a pot of milkweed
Asclepias
Asclepias is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are damaged. Most species are toxic. The genus contains over 200 species distributed bro…
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
Do birds eat monarchs?
Yes, some birds eat monarch butterfly caterpillars. But not all birds can eat them because of their infamous defense system. They are hard to prey on and even harder to swallow. The common predators of monarchs include birds such as black-backed orioles and black-headed grosbeaks. Brown tail moth caterpillars:

How do you take care of a baby Monarch caterpillar?
As soon as a baby caterpillar hatches, remove it (on its leaf piece) and put it inside a second food storage container pre-lined with a dry paper towel, and a large fresh milkweed leaf or leaves. Make sure these leaves have been thoroughly rinsed with water before serving.
What can 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 baby Monarch caterpillars need water?
Just like in your egg enclosure, a little water on a paper towel will help keep your milkweed leaves from drying out. Your caterpillars will be very hungry as they grow, so make sure you have several fresh milkweed leaves for each larva.
What do baby caterpillars need to survive?
The basics that a caterpillar needs are fresh food from its specific host plant, safety from drowning in water, ventilation, and a safe place to pupate or become a chrysalis. While the caterpillars are eating and growing they will stay on the host plant as long as the food source remains.
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 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.
What do baby caterpillars eat and drink?
Caterpillars, the larvae of butterflies and moths, feed almost exclusively on plants. You will find most caterpillars munching happily on leaves, though some will feed on other plant parts, like seeds or flowers.
How long after a monarch hatches does it need to eat?
In this stage, the pupa will not consume food but remain idle for around 10 to 15 days, after which beautiful butterflies emerge. The adult butterflies should be given time to open its wings for flight.
Should I bring monarch caterpillars inside?
We discourage the practice of bringing monarchs indoors to raise them. A goal of the monarch conservation movement is a self-sustaining monarch population that can survive from generation to generation without human intervention. The best thing you can do to support monarchs is to create habitat for them!
Can you touch monarch caterpillars?
It is safe for humans to hold and touch the Monarch caterpillar but it is not always safe for the caterpillar. When they are young/small they are quite delicate but as they grow it becomes safer for them to be handled. The one time that no caterpillar should be handled is when they are preparing to molt.
What do caterpillars need to survive in a jar?
To keep the caterpillar's food plant fresh, place the stems in a small jar of water. Fill any space between the stems and the lip of the jar with wadded paper towels or cotton balls to prevent your caterpillar from falling into the water and drowning. Put the jar with the food plant into the caterpillar jar.
What do you put in a caterpillar cage?
Creating a caterpillar habitat Try using cheesecloth or mesh over the top. Gather some leaves of the host plant you found your caterpillars on and put them in a large jar with some sticks for crawling on and some grass in the bottom of the jar. Caterpillars only like fresh leaves, so change them out daily.
What other leaves will monarch caterpillars eat?
Of course the favourite is any one of the 'Swan Plants' or 'Milkweeds'. The main three which are easily acquired in New Zealand are (The) Swan Plant (Gomphocarpus fruticosus), (The) Giant Swan Plant (Gomphocarpus physocarpus) and Tropical Milkweed - Bloodflower (Asclepias curassavica).
Will monarch caterpillars eat fruit?
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.
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 monarch caterpillars eat pumpkin?
While smaller caterpillars can feed on pumpkin flesh, pumpkin doesn't provide everything they need to properly develop. In contrast, larger caterpillars that have been reared on swan plants are likely to have picked up enough of the chemicals they need to undergo metamorphosis.
How to keep caterpillars fresh?
As soon as a baby caterpillar hatches, remove it (on its leaf piece) and put it inside a second food storage container pre-lined with a dry paper towel, and a large fresh milkweed leaf or leaves. Make sure these leaves have been thoroughly rinsed with water before serving.
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!
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 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 color are unfertilized monarch eggs?
An unfertilized monarch egg will take on a different appearance. It will remain cream-colored, but…
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!
How to keep caterpillars off haystacks?
Needle in a Haystack. Keep the plant watered and spray the leaves each morning with water…the caterpillars like water and won’t wander from a healthy, hydrated plant. Don’t drown the caterpillars, or blast them off the plant with extreme water pressure. You can transfer them to a larger cage after 3-4 days, if you wish.
How to keep a plant from hatching?
Bring the plant into an enclosed porch or your house. Make sure you put the pot inside a saucer. (This keeps your table clean/dry, while making escape nearly impossible) Inspect the plant for spiders, ants, wasps, foreign eggs, etc. Make sure the plant has been sufficiently watered. Wait for your eggs to hatch.
Do caterpillars wander away from plants?
Newborn caterpillars have no reason to wander away from a plant w/ fresh leaves. The saucer adds an extra layer of security if your tiny cats do start crawling away from their only food and shelter. No cleaning up poop/frass…it falls into the soil or saucer. Less time intensive.
What do monarch caterpillars eat?
Here in the St.Louis area, Monarch caterpillars are regularly found feeding on what is commonly called Honeyvine milkweed, I am in my second year of raising ones found in my garden on this plant. Despite its name, Honeyvine is not actually in the milkweed family (Asclepias), it is in the Apocynacea family. It looks similar to and often grows in conjunction with bindweed, so the post about caterpillars on bindweed may have actually been Honeyvine.
What to feed monarch cats?
Once my monarch cats have devoured my milkweed, I've given them cucumber and butternut squash with some success. It's my last resort go-to replacement food.
What happens when a monarch caterpillar enters the chrysalis stage?
What happens is this: when a Monarch caterpillar is ready to enter the chrysalis stage of its life cycle, it will leave the milkweed plants that it has been feeding on and travel (often quite a distance) to a place where it feels safe from birds and other predators.
What do black swallowtails eat?
I think some people might be mistaking the black swallowtail caterpillar for the monarch caterpillar. Black swallowtails eat parsley, fennel, and dill. I have seen plenty of black swallowtails on those herbs but never a monarch.
What butterfly caterpillar is similar to Monarch?
I think it would help this discussion topic if you posted a picture of the Black Swallowtail butterfly caterpillar with the article. The markings are similar enough that some people could be mistaking the Black Swallowtail caterpillar for the Monarch caterpillar.
Why should we plant milkweed in our ecosystem?
I’ve been telling you that we can help Monarch butterflies in our Ecosystem Gardens by planting more milkweed because that is the only plant that Monarch will lay their eggs on.
What caterpillar ate my starflower cactus?
The egg must have been laid on it. It has now turned into a beautiful green chrysalis with a gold trim and gold dots.
What is the food of monarch caterpillars?
Since then, other flowers and plants have blown in on the wind or were brought in by pollinators. One of those is milkweed – the staple food of monarch caterpillars.
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.
How much have monarchs declined in the past 20 years?
Monarchs are in dire need of human intervention. Their numbers have been dramatically decreasing – declining 80% in the past 20 years. The population is now far too low for comfort – meaning an early winter storm during their migration has the potential to wipe out the entire species.
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.
What do monarch caterpillars eat?
Several folks mentioned that by the time the caterpillars get to their fifth instar, or their final stage, before morphing into a chrysalis, they will eat pumpkin and cucumbers. That’s right, folks. See it with your own eyes.
What is the only plant that monarch butterflies lay eggs on?
Milkweeds, that is, any Asclepias species, are the host plants to Monarch butterflies and the only plant on which they will lay eggs to continue their life cycle.
What did Paul Addington feed his monarch caterpillars?
Paul Addington tried feeding his Monarch caterpillars cucumbers. It worked. “These cats are eating the skin of the cucumber,” relayed Addington. “These were organic, but still felt like they were waxy, so [they were] heavily scrubbed first.”. Addington said the caterpillars indeed preferred milkweed when given a choice.
Why are monarch butterflies extinct?
The recent news that the Monarch butterfly migration may soon become extinct because of a loss of milkweed habitat is driving the demand.
What butterfly was fed pumpkin?
The Monarch butterfly on the left was fed with pumpkin during its final instar. Photo by Ellen Reid
Can monarch caterpillars eat milkweed?
No milkweed? No problem. In the fifth instar, Monarch caterpillars will eat a variety of pumpkins. Photo courtesy Ellen Reid
Do monarch butterflies live in Texas?
Monarch butterflies have made their way to Texas, but unfortunately not much milkweed greets them upon arrival. A harsh, dry winter preceded by drought and schizophrenic weather have left the sought-after perennial a no-show in many Texas gardens–and on roadsides and ranch land.
What color is a monarch caterpillar?
The newly-hatched monarch caterpillar is pale green in color and has a shiny, slightly translucent body. It will later develop dark stripes over a pale green background. During this stage the caterpillar is between 2 and 6 mm in length and lacks tentacles.
How long does it take for a monarch caterpillar to develop?
The monarch caterpillar spends between 3 and 5 days in this stage of its development. At this stage the caterpillar is at its largest, and has an almost plump appearance.
How long is the fourth instar of a monarch caterpillar?
Fourth Instar. Monarch caterpillar fourth instar. By the fourth instar the monarch caterpillar is between 13 and 25 mm in length. The front tentacles are now 5mm in length, while those at the back are around 2 mm in length.
How big are the second instar monarchs?
The second instar monarch larva has a greater number of bristle-like setae. Second instar monarch larvae are between 6 and 9 mm in length.
How many stages does a monarch butterfly go through?
Find out about monarch caterpillar stages with pictures and facts. The monarch butterfly, like all butterflies, goes through 4 main developmental stages: egg; larva (caterpillar); pupa (chrysalis); and imago (adult butterfly). What many people don’t know is that, as a caterpillar, the monarch also goes through several stages of development.
How long does a caterpillar stay in the first stage?
The caterpillar remains in the first instar stage for one to three days.
How many stages are there in the life cycle of a monarch butterfly?
Most people know that the life cycle of the monarch butterfly has four distinct stages: egg, caterpillar, chrysalis and imago (the adult butterfly). The Life Cycle Of The Monarch Butterfly. Click photo to go to our monarch butterfly life cycle page. You can find out about each of these stages on this page: The Life Cycle of the Monarch Butterfly.
How to find monarch butterfly eggs?
If you are going to find monarch butterfly eggs, you have to first find milkweed. Fortunately, milkweed grows throughout the United States. Unfortunately, it is treated as a weed and rooted out. Find a patch that's going to be around and start looking for both eggs and caterpillars.
What is the introduction to monarch butterflies?
Introduction: Monarch Butterflies -- Egg to Butterfly. By matthewpoage. More by the author: Monarch butterfly caterpillars are fun to raise until they form chrysalises and ultimately emerge transformed as butterflies. This instructable takes you even further back in the butterfly life cycle and describes how to raise a monarch from ...
How long do caterpillars stay in jars?
After growing and eating, the caterpillars decide it's time to give up their old skin. For a two day period they are not interested in eating, climb to the top of the jar and appear as if they are about to form chrysalises (much too early). Towards the end of the two day period, their skin darkens, they slip out of their skin and emerge with a fierce hunger.
Where are monarch eggs found?
Monarch eggs are small, roundish, and off-white. They are found on the underside of the milkweed leaf. There are, unfortunately, lots of small, roundish, and off-white things that turn up on the underside of milkweed leave s. Search the Internet for other pictures. Until you identify your first Monarch butterfly egg, ...
Do you have to transfer caterpillars to fresh leaves?
When it is time to transfer them to a new leaf (see next paragraph), carefully pick up the leaf and make sure all are accounted for. As the fresh leaf dries, it is necessary to transfer to baby caterpillars to fresh leaves.
Do dried leaves help caterpillars?
The leaves will dry out and curl up. Dried leaves will not provide food for the baby caterpillars, so you have to be prepared to move them (the eggs and later on the caterpillars) from dried leaves to fresh leaves. See details in the next step. Ask Question.
Do monarch caterpillars eat milkweed?
Monarch caterpillars and chrysalises travel well. They don't complain and they eat only one thing. Make sure, however, that there is a source of milkweed wherever you go (they eat only one thing, remember?).
What do milkweed caterpillars eat?
Instar 4-5 caterpillars (over a half-inch long) have been reported to eat pieces of butternut squash, delicata squash, pumpkin, crunchy cucumber, and watermelon slices.
How many instars does a monarch caterpillar have?
Each of these molts grows the monarch caterpillar to its next instar (period of development). Photo of All 5 Instars
How big do caterpillars grow?
Your caterpillars will grow in size roughly 2000% from the day they hatch until the time they form their chrysalides…from 2mm to almost 2 inches! To accommodate this rapid growth, they need to shed their skin (molt) 5 times, with the final molt revealing their emerald green chrysalises.
How big are Instar 3 caterpillars?
Instar 3 caterpillars measure up to a half-inch in length.
Can milkweed molt?
This is normal behavior and they will usually molt (and return to fresh milkweed) without any assistance. If you’re worried they’re lost in space, position milkweed close to the molting spot and have leaves touching a mesh wall so it’s easier to find if they wander.
Can caterpillars switch milkweed?
Do you grow other species of milkweed? Caterpillars can easily switch between milkweed varieties. The only problems I’ve heard reported are when people try to switch caterpillars to Asclepias tuberosa (butterfly weed). We regularly switch between common, swamp, and tropical.
