Asked by: Yurina Mathis
asked in category: General Last Updated: 15th June, 2020

What if Monarch caterpillars run out of milkweed?

They really only eat milkweed, which is why the Monarch butterflies find the milkweed to lay their eggs on it. But if you run out of milkweed, at least the older caterpillars will eat butternut squash (and pumpkin I think), and will grow enough to then turn into chrysalises and then butterflies.

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Similarly, you may ask, what happens if Monarch caterpillars run out of milkweed?

They really only eat milkweed, which is why the Monarch butterflies find the milkweed to lay their eggs on it. But if you run out of milkweed, at least the older caterpillars will eat butternut squash (and pumpkin I think), and will grow enough to then turn into chrysalises and then butterflies.

Similarly, do monarch caterpillars stay on milkweed? After the egg hatches, the caterpillar feeds on milkweed exclusively, and does not leave the host plant until it is ready to pupate. Milkweed is known as a “host plant” for monarchs. However, monarch caterpillars cannot feed on these plants and do not survive.

Furthermore, why do my monarch caterpillars keep dying?

Note: NPV causes the caterpillar to climb to a high spot, hang in an l or inverted V shape, and die. The caterpillar then liquefies inside and when the skin of the caterpillars splits open, the black goo will send millions of virus particles on its surroundings.

Can monarch caterpillars eat other leaves?

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. Monarch caterpillars do not feed on tomato plants, despite what may seem like circumstantial evidence to the contrary.

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