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The Egg
Adult female butterflies lay their eggs on plants that Painted Lady caterpillars like to eat, like thistle. The eggs are the size of a pin head, each one containing a caterpillar beginning to grow. -
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The Lifespan of a butterfly
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The Larva or Caterpillar Comes Out!
The hungry caterpillar uses its strong jaws to munch through leaves, eating constantly and growing quickly. As it eats, the caterpillar’s skin gets tighter. Soon it sheds this tight skin, emerging with new skin underneath. Each caterpillar changes skin four times before it’s fully grown. After three weeks, this hairy, black and yellow caterpillar stops growing - it’s almost 2 inches long! -
The Chrysalis—Metamorphosis Begins
The caterpillar finds a safe place to rest. With a silk thread that comes out of a hole just below its mouth (spinneret), the caterpillar spins a silk pad to attach to. The caterpillar hangs from this pad. Soon, the caterpillars’ skin splits open, from head to abdomen, revealing a shiny green case underneath—the chrysalis. -
The Butterfly Emerges!
When the butterfly first emerges from the chrysalis, its wings are soft and crumpled. The tired butterfly rests, and then slowly unfolds its wings to dry.
After a few hours, the butterfly will be ready to fly. The Painted Lady Butterfly has a 2-week life span. During that time, its main goal is to reproduce and lay eggs so the cycle can begin again!