Monarch butterflies are the iconic butterfly. It's impossible not to picture their vibrant orange and black wings fluttering through gardens or meadows when someone mentions them by name. These ...

I think that this is what happened this year. Both the milkweed tussock and the monarch caterpillars eat the cardiac glycoside-laden milky sap of milkweed and have evolved mechanisms to retain ...

Their caterpillars exclusively eat the leaves of a native wildflower called milkweed and the amount of it growing in North America has plummeted. In the state of Illinois alone, milkweed numbers ...

But they're in trouble. Monarch caterpillars can only eat the leaves of milkweed, a native wildflower. As milkweed has disappeared, so have the monarchs, to the point that they're at risk of ...

The goal of the project is to restore and preserve habitats for numerous pollinator species by planting milkweed.

“The only thing the monarchs lay their eggs on is milkweed. That’s the only thing the caterpillars eat. If we don’t have milkweed, they just die,” Juday said. “The more milkweed that we ...

“They need milkweed specifically to lay eggs,” Egertson said. “Caterpillars have evolved to eat milkweed.” The end of summer sees the hatch of the so-called super generation ...