Did you know that caterpillars come from butterfly eggs? See pictures of butterflies laying eggs on their host plants.

AMES, Iowa — Kim Moss hunched over plants with her camera for hours in Grand Teton National Park this summer, hoping to capture the Parnassius clodius butterfly laying its eggs. She accomplished her ...

The white-letter hairstreak butterfly might be making a comeback in Scotland, as naturalists found eggs from the insect for the first time in more than 100 years. Ian Kirk/CC BY 2.0 Naturalists in ...

When Canadian conservation enthusiasts head out to find monarch eggs, it’s always with a magnifying glass and a notebook. Hundreds of Canadian volunteers are taking part in a program to find monarch ...

Learn which monarch butterfly predators and parasites pose a real threat to their survival, and which are part of the natural ...

As July sunlight pokes through the trees, a butterfly egg rests gently in Wojciech Poreba’s palm as he sifts through milkweed leaves at Hamlet Park in Cottage Grove. At age 25, Poreba has four years ...

On a suburban street with smooth lawns and trimmed bushes, Martha Chiplis’ yard stands out. It’s not just the wildflowers: purple wild petunia, golden lanceleaf coreopsis, hot-pink Bush’s poppy mallow ...